The invention relates to a modular electric-powered vehicle (1) comprising an electric motor, a battery (20) for supplying power to the electric motor, a power transfer system (3) for transferring output power to the electric motor, a central control unit (4) for managing the energy of the vehicle, which unit is connected to the battery (20) and to the power transfer system (3), characterised in that the power transfer system (3) comprises at least one power module (30, 31) connected to the electric motor and connected by connector technology to one another and to the central control unit (4), each individual power module (30) being installed removably in a dedicated rack (300) and being interchangeable with a power module (30, 31) in the form of a battery (30) or a generator (31).
A crankshaft for a controlled variable compression ratio engine has an axis of rotation defining a longitudinal axis and comprises at least one crank pin, at least one journal connected by a connecting web, and at least one control element able to move translationally along the longitudinal axis in order to cooperate with an actuator of a system for adjusting the length of a connecting rod. The crankshaft is notable in that the control element, positioned at the connecting arm, comprises an annular part coaxial with the crank pin and capable of establishing continuous contact with the actuator of the system for adjusting the length of the connecting rod, regardless of the angular position of the crankshaft. The crankshaft comprises a fluidic control circuit for moving the control element along the longitudinal axis.
The invention relates to a hydraulic control system (3) for a variable compression ratio engine, comprising: - a control cylinder (30) comprising a piston (30a), a body (30b) in which two hydraulic chambers (31, 32) with equivalent sections are defined on either side of the piston (30a) and a return device (34) arranged in one of the chambers (31), - a hydraulic control circuit (37) comprising: - at least one duct (37b, 37c) connecting the two chambers (31,32) to each other, and a controlled fluid discharging device (372) for establishing or blocking a fluid communication between the chambers, - at least one duct (37d) connecting one of the chambers (32) to a low-pressure oil supply (60), and a refill valve (373), - at least one duct (37e) connecting an oil outlet (70) to at least one of the chambers (32), and a relief valve (374).
F02D 15/02 - Varying compression ratio by alteration or displacement of piston stroke
F02B 75/04 - Engines with variable distances between pistons at top dead-centre positions and cylinder heads
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
4.
TELESCOPIC CONNECTING ROD FOR A VARIABLE COMPRESSION RATIO ENGINE
The invention concerns a telescopic connecting rod (30) for a variable compression ratio engine, comprising: - a small end (30a) having respectively an eye and a piston (34) at its ends; - a big end (30b) serving as cylinder body in which the piston (34) defines a first (31) and a second (32) hydraulic chamber, and a third side chamber (33) located between the first (31) and the second (32) chambers; the big end (30b) comprises two coaxial side bearings (35) intended to establish a pivot link with a fixed part of the engine; - a lubrication circuit (36) comprising at least a first duct (36a) provided in the big end (30b), connecting an inner space of each side bearing (35) and the third chamber (33), whatever the length of the connecting rod, and comprising at least one second duct (36b) provided in the small end (30a), connecting the third chamber (33) and the eye.
F02D 15/02 - Varying compression ratio by alteration or displacement of piston stroke
F02B 75/04 - Engines with variable distances between pistons at top dead-centre positions and cylinder heads
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
F01M 1/06 - Lubricating systems characterised by the provision therein of crankshafts or connecting-rods with lubricant passageways, e.g. bores
The invention relates to a variable-length connecting rod (10) comprising: - A connecting rod head (102), designed to establish a pivot connection with a crankpin of a crankshaft, - A hydraulic circuit (104) for controlling the length of the connecting rod (10), - A system for controlling (110) the hydraulic circuit. The control system (110) comprising: - At least one linear hydraulic slide (111) arranged within a housing of the connecting rod head (102), - At least a first shoe (113) arranged on a sidewall of the connecting rod head (102), suitable for undergoing a bearing force exerted by a controlling member, the bearing force allowing the slide (111) to be moved, - A return means for bringing the slide (111) back to its resting position in the absence of the bearing force, - At least a second shoe (115) arranged on the sidewall of the connecting rod head (102) and suitable for undergoing the bearing force.
A piston for an internal combustion engine comprises a skirt defining an inner space of the piston and having a skirt bottom; and a target arranged under the skirt bottom to engage with a passage detector arranged in the engine. The target is supported by a holding body held at least partially inside the inner space of the piston. The present disclosure likewise relates to an engine comprising such a piston.
F16J 1/04 - Resilient guiding parts, e.g. skirts, particularly for trunk pistons
F16J 1/16 - Connection to driving members with connecting-rods, i.e. pivotal connections with gudgeon-pin; Gudgeon-pins
G01D 5/14 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
7.
Transmission device of an engine, particularly for an engine with variable compression rate and/or variable displacement
A transmission device, particularly for an engine with variable compression rate and/or variable displacement, includes, in a cylinder housing: a combustion piston capable of moving in a combustion cylinder of the engine and secured to a transmission member; a gear engaging with a first rack of the transmission member and providing transmission of the movement between the combustion piston and a crankshaft of the engine; a connecting rod engaging, at a first end, with the gear and, at a second end, with the crankshaft; and a control member engaging with the gear and secured to a control piston. The combustion piston and the transmission member are slidably linked with the cylinder housing in a main direction.
F16C 7/02 - Constructions of connecting-rods with constant length
F16H 19/04 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and reciprocating motion comprising a rack
A bearing guide device of a combustion piston for a variable compression ratio engine. The movement of the combustion piston from a top dead center to a bottom dead center drives the movement of a synchronized roller made up of a cylindrical body and a pinion from a first position to a second position relative to first and second racks. According to the disclosure, the first and/or second racks have a different circular pitch than the pinion so that the flanks of the teeth of the pinion engage with the flanks of the teeth of the first and second racks only when the pinion is in the first or second position.
An internal combustion engine comprises a connecting rod and a target arranged on one of the lateral reinforcing walls of a piston or on a foot end of the connecting rod, and a crankcase defining at least one cylinder and having at least one bore opening out under the cylinder. The engine comprises a measuring device arranged in the bore of the crankcase and having a target passage detector, and a connector and at least one cable connecting the passage detector to the connector. The target is arranged opposite the passage detector, when the piston is near a bottom dead center position.
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
F16J 1/14 - Connection to driving members with connecting-rods, i.e. pivotal connections
Device for controlling the compression rate of a variable compression ratio engine, comprising a two-way solenoid valve provided with a secondary circuit for fluid refilling
A device for controlling the compression rate of a variable compression ratio engine comprises: an actuating cylinder comprising a piston defining two chambers for receiving a pressure fluid, a pressure accumulator supplying the pressure fluid, a first fluid circuit connecting the upper chamber to the accumulator and comprising a first valve assembly for controlling the flow of the fluid in the first fluid circuit, and a second fluid circuit connecting the lower chamber to the accumulator and comprising a second valve assembly for controlling the flow of a fluid in the second fluid circuit. At least one of the fluid circuits comprises a bypass conduit arranged so as to connect one of the chambers to the accumulator. The bypass conduit comprises a non-return valve.
The invention relates to a variable compression ratio engine comprising a cylinder block which defines at least one combustion cylinder for accommodating a combustion piston, and comprising at least one device for guiding the combustion piston requiring a synchronisation panel (41) positioned in an opening of the cylinder block and rigidly connected to the latter. The engine includes a multifunctional assembly (200) including: • a closure flange (210) attached to the cylinder block for closing said opening; • the synchronisation panel (41), which is attached to an inner face (202) of the flange (210), the rigidity of the assembly (200) being ensured by the flange (210).
The invention relates to a cylinder block (100) of an internal combustion engine comprising at least one control cylinder (112) and a liner device (200) disposed in said cylinder (112), the liner device (200) comprising: • a cylindrical liner (210) comprising at least one circumferential groove (201) and an upper flange (202), • an O-ring disposed in the groove (201), in contact with internal walls of the control cylinder (112), • a discoid cover (220) for closing an upper end of the liner (210), comprising flexible peripheral fins (221) that are held in position bearing against the upper flange (202) by a closure plate fastened to the cylinder block (100).
F01B 9/02 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups with crankshaft
F02D 15/04 - Varying compression ratio by alteration of volume of compression space without changing piston stroke
F01B 9/04 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups with rotary main shaft other than crankshaft
13.
CRANKSHAFT FOR A CONTROLLED VARIABLE COMPRESSION RATIO ENGINE
The invention relates to a crankshaft (100) for controlled variable compression ratio engine, having an axis of rotation defining a longitudinal axis and comprising at least one crank pin (2), at least one journal (3) connected by a connecting web (4), and at least one control element (50) able to move translationally along the longitudinal axis (y) in order to collaborate with an actuator of a system for adjusting the length of a connecting rod. The crankshaft (100) is notable in that: • the control element (50), positioned in the region of the connecting web (4), comprises an annular part (51) coaxial with the crank pin (2) and able to establish continuous contact with the actuator of the system for adjusting the length of the connecting rod, regardless of the angular position of the crankshaft (100), • the crankshaft (100) comprises a fluidic control circuit for moving the control element (50) along the longitudinal axis (y).
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Connecting rods for machines or motors; cylinders for
motors and engines; fuel economizers for motors and engines;
cranks (machine part); anti-pollution devices for motors
and engines; pistons for engines; bearings (part of motors
or machines); piston rings; pneumatic controls for
machines, motors and engines; regulators (machine part);
machine wheelwork; roller bearing; ball-bearings; piston
segments; valves (machine part); superchargers; journals
(parts of machines); turbo compressors; fuel injection
system, system for opening and closing valves, energy
recovery systems, carburetors, carburetor feeder, crankcases
for motors and engines, hydraulic controls for motors and
engines, control devices for motors and engines, fuel
conversion apparatus, glow plugs for diesel engines,
bearings for transmission shafts; shaft couplings
(machines); igniting devices for internal combustion
engines; sparking plugs for internal combustion engines;
torque converters other than for land vehicles; belts for
motors and engines; cylinder heads for engines; hydraulic
motors; lubricating pumps; motors for vehicles for
locomotion by air, water or rail, namely variable
displacement motor, motor with variable capacity, motor with
variable power distribution, motor with supercharger, load
thinning motor by recirculating exhaust gas or by excess
air, spark ignition motor, compression ignition motor,
hybrid power train, electric motor, battery, fuel cell,
rotary motor, turboshaft motor; mechanisms and transmission
components for movement or power of vehicles for locomotion
by air, water or rail, namely gearboxes, transmission
chains, hydraulic circuits, torque converters, gears,
clutches, mechanisms for balancing and control of vibration
and torque; on-board system for recovery, storage and
restitution of thermal, kinetic, electrical, or chemical
energy, for vehicles for locomotion by air, water or rail;
other propulsion mechanisms for vehicles for locomotion by
air, water or rail; supply, ignition, injection and exhaust
components and system for air and water vehicles. Vehicles for locomotion by land, air, water or rail; motors
for vehicles for locomotion by land, namely variable
displacement motor, motor with variable capacity, motor with
variable power distribution, motor with supercharger, load
thinning motor by recirculating exhaust gas or by excess
air, spark ignition motor, compression ignition motor,
hybrid power train, electric motor, battery, fuel cell,
rotary motor, turboshaft motor; transmission components and
mechanisms for movement or power of vehicles for locomotion
by land, namely gearboxes, transmission chains, hydraulic
circuits, torque converters, gears, clutches, mechanisms for
balancing and control of vibration and torque; supply,
ignition, injection and exhaust components and system for
land vehicles; on-board system for recovery, storage and
restitution of thermal, kinetic, electrical, or chemical
energy, for vehicles for locomotion by land; other
propulsion mechanisms for vehicles for locomotion by land. Installation, maintenance and updating of equipment for
regulation, monitoring and control, connected objects, smart
systems (AI), databases. Conducting of technical project studies; quality control;
services provided by engineers in charge of assessments,
estimates, research, development, testing and reporting in
the fields of technology, innovation and new products,
intellectual property, transfer of technology and know-how,
tools and methods for engineering, financing of innovation,
analysis with respect to energy and the environment
(including advisory services and related hosting);
designing; industrial design; digital simulation;
development of simulation software; development and
provision of equipment, regulation, monitoring and control,
connected objects, smart systems (AI), databases;
development, installation, maintenance, updating and
provision of software and algorithms of regulation,
monitoring and control, connected objects, smart systems
(AI), databases; cloud computing; prototyping; testing of
materials; testing of components, sub-systems and systems
for motors and power trains; engine testing; testing of
vehicles; surveying [engineering work]; engineering;
research and development for new products, including for
third parties, namely motors and engines and systems for
motors and engines other than for land vehicles and motors
and engines and systems for motors and engines for vehicles
for locomotion by land, air, water or rail; research and
development with respect to variable displacement motor,
motor with variable capacity, motor with variable power
distribution, motor with supercharger, load thinning motor
by recirculating exhaust gas or by excess air, spark
ignition motor, compression ignition motor, hybrid power
train, electric motor, battery, fuel cell, rotary motor,
turboshaft motor; transmission components and mechanisms
for movement or power of vehicles for locomotion by land,
air, water or rail, namely gearboxes, transmission chains,
hydraulic circuits, torque converters, gears, clutches,
mechanisms for balancing and control of vibration and
torque; supply, ignition, injection and exhaust components
and system; on-board system for recovery, storage and
restitution of thermal, kinetic, electrical, or chemical
energy, for vehicles for locomotion by land, air, water or
rail; other propulsion mechanisms for vehicles for
locomotion by land, air, water or rail.
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Connecting rods for machines or motors; cylinders for
motors and engines; fuel economizers for motors and engines;
cranks (machine part); anti-pollution devices for motors
and engines; pistons for engines; bearings (part of motors
or machines); piston rings; pneumatic controls for
machines, motors and engines; regulators (machine part);
machine wheelwork; roller bearing; ball-bearings; piston
segments; valves (machine part); superchargers; journals
(parts of machines); turbo compressors; fuel injection
system, system for opening and closing valves, energy
recovery systems, carburetors, carburetor feeder, crankcases
for motors and engines, hydraulic controls for motors and
engines, control devices for motors and engines, fuel
conversion apparatus, glow plugs for diesel engines,
bearings for transmission shafts; shaft couplings
(machines); igniting devices for internal combustion
engines; sparking plugs for internal combustion engines;
torque converters other than for land vehicles; belts for
motors and engines; cylinder heads for engines; hydraulic
motors; lubricating pumps; motors for vehicles for
locomotion by air, water or rail, namely variable
displacement motor, motor with variable capacity, motor with
variable power distribution, motor with supercharger, load
thinning motor by recirculating exhaust gas or by excess
air, spark ignition motor, compression ignition motor,
hybrid power train, electric motor, battery, fuel cell,
rotary motor, turboshaft motor; mechanisms and transmission
components for movement or power of vehicles for locomotion
by air, water or rail, namely gearboxes, transmission
chains, hydraulic circuits, torque converters, gears,
clutches, mechanisms for balancing and control of vibration
and torque; on-board system for recovery, storage and
restitution of thermal, kinetic, electrical, or chemical
energy, for vehicles for locomotion by air, water or rail;
other propulsion mechanisms for vehicles for locomotion by
air, water or rail. Vehicles for locomotion by land, air, water or rail; motors
for vehicles for locomotion by land, namely variable
displacement motor, motor with variable capacity, motor with
variable power distribution, motor with supercharger, load
thinning motor by recirculating exhaust gas or by excess
air, spark ignition motor, compression ignition motor,
hybrid power train, electric motor, battery, fuel cell,
rotary motor, turboshaft motor; transmission components and
mechanisms for movement or power of vehicles for locomotion
by land, namely gearboxes, transmission chains, hydraulic
circuits, torque converters, gears, clutches, mechanisms for
balancing and control of vibration and torque; supply,
ignition, injection and exhaust components and system;
on-board system for recovery, storage and restitution of
thermal, kinetic, electrical, or chemical energy, for
vehicles for locomotion by land; other propulsion mechanisms
for vehicles for locomotion by land. Installation, maintenance and updating of equipment for
regulation, monitoring and control, connected objects, smart
systems (AI), databases. Conducting of technical project studies; quality control;
services provided by engineers in charge of assessments,
estimates, research, development, testing and reporting in
the fields of technology, innovation and new products,
intellectual property, transfer of technology and know-how,
tools and methods for engineering, financing of innovation,
analysis with respect to energy and the environment
(including advisory services and related hosting); design
of motors and engines and of motor and engine components;
industrial design; digital simulation; development of
simulation software; development and provision of equipment,
regulation, monitoring and control, connected objects, smart
systems (AI), databases; development, installation,
maintenance, updating and provision of software and
algorithms of regulation, monitoring and control, connected
objects, smart systems (AI), databases; cloud computing;
prototyping; testing of materials; testing of components,
sub-systems and systems for motors and power trains; engine
testing; testing of vehicles; surveying [engineering work];
engineering; research and development for new products,
including for third parties, namely motors and engines and
systems for motors and engines other than for land vehicles
and motors and engines and systems for motors and engines
for vehicles for locomotion by land, air, water or rail;
research and development with respect to variable
displacement motor, motor with variable capacity, motor with
variable power distribution, motor with supercharger, load
thinning motor by recirculating exhaust gas or by excess
air, spark ignition motor, compression ignition motor,
hybrid power train, electric motor, battery, fuel cell,
rotary motor, turboshaft motor; transmission components and
mechanisms for movement or power of vehicles for locomotion
by land, air, water or rail, namely gearboxes, transmission
chains, hydraulic circuits, torque converters, gears,
clutches, mechanisms for balancing and control of vibration
and torque; supply, ignition, injection and exhaust
components and system; on-board system for recovery,
storage and restitution of thermal, kinetic, electrical, or
chemical energy, for vehicles for locomotion by land, air,
water or rail; other propulsion mechanisms for vehicles for
locomotion by land, air, water or rail.
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Connecting rods for machines and motors; cylinders for motors and engines; fuel economizers for motors and engines; machine parts, namely, crank shafts for motors and engines; anti-pollution devices for motors and engines; pistons for engines; bearings being a part of motors and machines; piston bushings; pneumatic controls for machines, motors and engines; regulators being parts of machines; cogs of machines; roller bearings for machines; ball-bearings for use in motors and engines; piston segments, namely, piston rings; valves being parts of machines; superchargers in the nature of air compressors; Intermediate main bearing journal turbocharger being parts of machines; fuel injection system comprised of electronic fuel injection modules for engines; system for opening and closing valves comprised of valves being parts of machines and pumps being parts of machines; carburetors; feeder specially adapted for a carburetor; crankcases for motors and engines; hydraulic controls for motors and engines; control devices for motors and engines, namely, pneumatic and hydraulic and electronic controls for motors and engines; fuel conversion apparatus in the nature of regulators being parts of machines; glow plugs for diesel engines; bearings for transmission shafts being parts of machines; shaft couplings as parts of machines; ignition devices for internal combustion engines of land vehicles; spark plugs for internal combustion engines; torque converters other than for land vehicles; belts for motors and engines; cylinder heads for engines; hydraulic motors; lubricating pumps; motors for vehicles for locomotion by air, water or rail and other than for land vehicles, namely, variable displacement motor, motor with variable capacity, motor with variable power distribution, motor with supercharger, load thinning motor by recirculating exhaust gas or by excess air, spark ignition motor, compression ignition motor, hybrid power train in the nature of drives for motors, electric motor, battery, fuel cell, rotary motor, turboshaft motor; mechanisms and transmission components for movement or power of vehicles for locomotion by air, water or rail and other than for land vehicles, namely, gearboxes, transmission chains, hydraulic circuits, torque converters, gears, clutches, mechanisms for balancing and control of vibration and torque; on-board system for recovery, storage and restitution of thermal, kinetic, electrical, or chemical energy, for vehicles for locomotion by air, water or rail comprised of regulators; propulsion mechanisms for vehicles for locomotion by air, water or rail in the nature of engines Vehicles for locomotion by land, air, water or rail, namely, land vehicles, airplanes, boats and trains; motors for vehicles for locomotion by land, namely, variable displacement motor, motor with variable capacity motor with variable, motor with supercharger by recirculating exhaust gas or by excess air, spark ignition motor, compression ignition motor, hybrid power train in the nature of drives for motors, electric motor, battery, fuel cell, rotary motor, turboshaft motor; transmission components and mechanisms for movement or power of vehicles for locomotion by land, namely, gearboxes, transmission chains, hydraulic circuits, torque converters, gears, clutches, mechanisms for balancing and control of vibration and torque; supply, ignition, injection and exhaust components and systems comprised of fuel tanks and fuel lines; on-board system for recovery, storage and restitution of thermal, kinetic, electrical, or chemical energy, for vehicles for locomotion by land, comprised of gas turbines; propulsion mechanisms for vehicles for locomotion by land, in the nature of engines Installation, maintenance and updating of computer systems and computer hardware equipment for regulation, monitoring and control, connected objects, smart systems (AI), databases Conducting of technical project studies, namely, scientific research; quality control for others; engineering services in the nature of assessments, estimates, research, development, testing and reporting in the fields of technology, product development innovation and the design and development of new products, intellectual property in the nature of technological research relating to patent mapping, transfer of technology and know-how, tools and methods for engineering, financing of innovation, analysis with respect to energy and the environment, namely, providing analysis with respect to energy auditing and the renewable energy for the environment and advisory services related thereto; computer services, namely, interactive hosting services which allow the users to publish and share their own content and images on-line with respect to transfer of technology and know-how, tools and methods for engineering, financing of innovation, analysis with respect to energy and the environment; design of motors and engines and of motor and engine components; industrial design; digital simulation, namely, computer simulation based on computer programs of others; development of simulation software; development of new product equipment for regulation, monitoring and control, connected objects, smart systems in the nature of artificial intelligence, databases; development, installation, maintenance, updating and of software and algorithms being the integral components of software development for regulation, monitoring and control, connected objects, smart systems in the nature of artificial intelligence, databases; cloud computing featuring software for use in new product development; prototyping in the nature of new product development; testing of materials; testing of components, sub-systems and systems for motors and power trains to determine conformity with certification standards; engine testing to determine conformity with certification standards; testing of vehicles to determine conformity with certification standards; engineering services, namely, surveying; engineering; research and development for new products, for third parties, namely, motors and engines and systems for motors and engines other than for land vehicles and motors and engines and systems for motors and engines for vehicles for locomotion by land, air, water or rail; research and development of new products with respect to variable displacement motor, motor with variable capacity, motor with variable power distribution, motor with supercharger, load thinning motor by recirculating exhaust gas or by excess air, spark ignition motor, compression ignition motor, hybrid power train, electric motor, battery, fuel cell, rotary motor, turboshaft motor, transmission components and mechanisms for movement or power of vehicles for locomotion by land, air, water or rail, namely, gearboxes, transmission chains, hydraulic circuits, torque converters, gears, clutches, mechanisms for balancing and control of vibration and torque, supply, ignition, injection and exhaust components and system, on-board system for recovery, storage and restoring of thermal, kinetic, electrical, or chemical energy, for vehicles for locomotion by land, air, water or rail and other propulsion mechanisms for vehicles for locomotion by land, air, water or rail
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Connecting rods for machines and motors; cylinders for motors and engines; fuel economizers for motors and engines; machine parts, namely, crank shafts for motors and engines; anti-pollution devices for motors and engines; pistons for engines; bearings being a part of motors and machines; piston bushings; pneumatic controls for machines, motors and engines; regulators being parts of machines; roller bearings for machines; ball-bearings for use in motors and engines; piston segments, namely, piston rings; valves being parts of machines; superchargers in the nature of air compressors; Intermediate main bearing journal turbocharger being parts of machines; fuel injection system comprised of electronic fuel injection modules for engines; system for opening and closing valves comprised of valves being parts of machines and pumps being parts of machines; carburetors; feeder specially adapted for a carburetor; crankcases for motors and engines; hydraulic controls for motors and engines; control devices for motors and engines, namely, pneumatic and hydraulic controls for motors and engines; fuel conversion apparatus in the nature of regulators being parts of machines; glow plugs for diesel engines; bearings for transmission shafts being parts of machines; shaft couplings as parts of machines; ignition devices for internal combustion engines of land vehicles; spark plugs for internal combustion engines; torque converters other than for land vehicles; belts for motors and engines; cylinder heads for engines; hydraulic motors; lubricating pumps; motors for vehicles for locomotion by air, water or rail and other than for land vehicles, namely, variable displacement motor, motor with variable capacity, motor with variable power distribution, motor with supercharger, load thinning motor by recirculating exhaust gas or by excess air, spark ignition motor, compression ignition motor, hybrid power train in the nature of drives for motors, electric motor, battery, fuel cell, rotary motor, turboshaft motor; mechanisms and transmission components for movement or power of vehicles for locomotion by air, water or rail and other than for land vehicles, namely, gearboxes, transmission chains, hydraulic circuits, torque converters, gears, clutches, mechanisms for balancing and control of vibration and torque; on-board system for recovery, storage and restitution of thermal, kinetic, electrical, or chemical energy, for vehicles for locomotion by air, water or rail comprised of regulators; propulsion mechanisms for vehicles for locomotion by air, water or rail in the nature of engines Vehicles for locomotion by land, air, water or rail, namely, land vehicles, airplanes, boats and trains; motors for vehicles for locomotion by land, namely, variable displacement motor, motor with variable capacity motor with variable, motor with supercharger by recirculating exhaust gas or by excess air, spark ignition motor, compression ignition motor, hybrid power train in the nature of drives for motors, electric motor, battery, fuel cell, rotary motor, turboshaft motor; transmission components and mechanisms for movement or power of vehicles for locomotion by land, namely, gearboxes, transmission chains, hydraulic circuits, torque converters, gears, clutches, mechanisms for balancing and control of vibration and torque; supply, ignition, injection and exhaust components and systems comprised of fuel tanks and fuel lines; on-board system for recovery, storage and restitution of thermal, kinetic, electrical, or chemical energy, for vehicles for locomotion by land, comprised of gas turbines; propulsion mechanisms for vehicles for locomotion by land, in the nature of engines Installation, maintenance and updating of computer systems and computer hardware equipment for regulation, monitoring and control, connected objects, smart systems (AI), databases Conducting of technical project studies, namely, scientific research; quality control for others; engineering services in the nature of assessments, estimates, research, development, testing and reporting in the fields of technology, product development innovation and the design and development of new products, intellectual property in the nature of technological research relating to patent mapping, transfer of technology and know-how, tools and methods for engineering, analysis with respect to energy and the environment, namely, providing analysis with respect to energy auditing and renewable energy for the environment and advisory services related thereto; computer services, namely, interactive hosting services which allow the users to publish and share their own content and images on-line with respect to transfer of technology and know-how, tools and methods for engineering, financing of innovation, analysis with respect to energy and the environment; design of motors and engines and of motor and engine components; industrial design; digital simulation, namely, computer simulation based on computer programs of others; development of simulation software; development of new product equipment for regulation, monitoring and control, connected objects, smart systems in the nature of artificial intelligence, databases; development, installation, maintenance, updating and of software and algorithms being the integral components of software development for regulation, monitoring and control, connected objects, smart systems in the nature of artificial intelligence, databases; cloud computing featuring software for use in new product development; prototyping in the nature of new product development; testing of materials; testing of components, sub-systems and systems for motors and power trains to determine conformity with certification standards; engine testing to determine conformity with certification standards; testing of vehicles to determine conformity with certification standards; engineering services, namely, surveying; engineering; research and development for new products, for third parties, namely, motors and engines and systems for motors and engines other than for land vehicles and motors and engines and systems for motors and engines for vehicles for locomotion by land, air, water or rail; research and development of new products with respect to variable displacement motor, motor with variable capacity, motor with variable power distribution, motor with supercharger, load thinning motor by recirculating exhaust gas or by excess air, spark ignition motor, compression ignition motor, hybrid power train, electric motor, battery, fuel cell, rotary motor, turboshaft motor, transmission components and mechanisms for movement or power of vehicles for locomotion by land, air, water or rail, namely, gearboxes, transmission chains, hydraulic circuits, torque converters, gears, clutches, mechanisms for balancing and control of vibration and torque, supply, ignition, injection and exhaust components and system, on-board system for recovery, storage and restoring of thermal, kinetic, electrical, or chemical energy, for vehicles for locomotion by land, air, water or rail and other propulsion mechanisms for vehicles for locomotion by land, air, water or rail
18.
VARIABLE-LENGTH CONNECTING ROD HAVING AN INDEXING DEVICE
The invention relates to a connecting rod (1) for an internal combustion engine. The connecting rod (1) consists of a first portion (5a) and a second portion (5b) respectively associated with the head (2) and the foot (3), said portions sliding relative to each other along the longitudinal axis of the connecting rod (1) so as to form a variable-length connecting rod. The connecting rod (1) comprises an indexing device (9) of the first and second portions (5a, 5b) to ensure both of said portions are given a specific relative orientation. According to the invention, the indexing device (9) comprises a first element (9a) which is rigidly connected to the first portion (5a) and supported by the head of the connecting rod (2).
The invention relates to an internal combustion engine comprising a connecting rod and a target arranged on one of the lateral reinforcing walls of the piston or on the small end of the connecting rod, a crankcase defining at least one cylinder and having at least one bore opening out under the cylinder. The engine comprises a measuring device (9) arranged in the bore of the crankcase and having a target passage detector (10), a connector (11) and at least one cable connecting the passage detector (10) to the connector (11). The target is arranged opposite the passage detector (10), when the piston is near a bottom dead centre position.
G01D 11/30 - Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
G01D 5/12 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
20.
PISTON FOR INTERNAL COMBUSTION ENGINE HAVING A TARGET, AND INTERNAL COMBUSTION ENGINE COMPRISING SUCH A PISTON
The invention relates to a piston (1) for an internal combustion engine, comprising a skirt (2) defining an inner space of the piston (1) and having a skirt bottom (6); and a target (10) arranged under the skirt bottom (6) to engage with a passage detector (11) arranged in the engine. The target (10) is supported by a holding body (14) held at least partially inside the inner space of the piston (1). The invention likewise relates to an engine comprising such a piston.
A variable compression ratio engine comprises a stationary engine block in which movable members interact to enable a piston to translate in a combustion cylinder of the engine block, defining a stroke of the combustion piston. The engine further comprises a self-contained device for adjusting a position of a top dead center of the combustion piston, the self-contained device being connected to or built into at least one of the movable members and having a high-pressure hydraulic chamber to counteract the combustion and inertial forces at a bottom dead center, a low-pressure hydraulic chamber to counteract the inertial forces at the top dead center, at least one calibrated conduit to enable hydraulic fluid to flow between the high- and low-pressure hydraulic chambers, and return means to bring the device back to a nominal position.
F16C 7/04 - Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads with elastic intermediate part or fluid cushion
F02D 15/02 - Varying compression ratio by alteration or displacement of piston stroke
22.
DEVICE FOR CONTROLLING THE COMPRESSION RATE OF A VARIABLE COMPRESSION RATIO ENGINE, COMPRISING A TWO-WAY SOLENOID VALVE PROVIDED WITH A SECONDARY CIRCUIT FOR FLUID REFILLING
The invention relates to a device for controlling the compression rate of a variable compression ratio engine, comprising an actuating cylinder comprising a piston (111) defining two chambers (112, 113) for receiving a pressure fluid, a pressure accumulator (33) supplying the pressure fluid, a first fluid circuit (31A, 32A) connecting the upper chamber (113) to the accumulator and comprising a first valve assembly (2A) for controlling the flow of the fluid in said first fluid circuit, and a second fluid circuit (31B, 32B) connecting the lower chamber (112) to the accumulator (33) and comprising a second valve assembly (2B) for controlling the flow of a fluid in said second fluid circuit, characterised in that at least one of the fluid circuits comprises a bypass conduit (50) arranged so as to connect one of the chambers (112, 113) to the accumulator (33), said bypass conduit comprising a non-return valve (51).
F16K 11/16 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle which only slides, or only turns, or only swings in one plane
23.
PRESSURE DEVICE FOR EXERTING A HOLDING FORCE ON A TRANSMISSION DEVICE AND ENGINE PROVIDED WITH SUCH A DEVICE
The invention relates to a pressure device (10) for exerting a holding force on a transmission device likely to move transversely in an engine block during an engine cycle, the pressure device (10) comprising a piston (21) moving in a chamber (22) filled with a fluid and defined by a jacket (23), a check valve between the chamber and a fluid source, the fluid having a first pressure and the check valve making it possible to maintain the fluid of the chamber at a pressure no lower than the first pressure, and at least one calibrated leakage opening for the fluid retained in the chamber. According to the invention, the calibrated leakage opening is provided with a check valve calibrated to a second pressure higher than the first pressure. The invention likewise relates to an engine provided with such a pressure device.
F02B 75/04 - Engines with variable distances between pistons at top dead-centre positions and cylinder heads
24.
DEVICE FOR CONTROLLING THE COMPRESSION RATIO OF AN ENGINE WITH VARIABLE COMPRESSION RATIO COMPRISING A TWO-WAY SOLENOID VALVE HAVING CONTROLLED PERMANENT LEAKAGE
The invention relates to a device for controlling the compression ratio of an engine with variable compression ratio, comprising an actuating cylinder comprising a piston (111) defining two chambers (112, 113) intended for receiving a pressurised fluid supplied by a pressure accumulator (33), a first fluid circuit (31A, 32A) connecting the upper chamber to the accumulator and comprising a first valve assembly (2A), and a second fluid circuit (31B, 32B) connecting the lower chamber to the accumulator (33) and comprising a second valve assembly (2B), characterised in that the first and/or second fluid circuit(s) at least include a calibrated fluid leakage opening.
F16K 11/16 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle which only slides, or only turns, or only swings in one plane
25.
DEVICE AND METHOD FOR INJECTING A CHARGE INTO THE COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINE WITH SPARK IGNITION
The invention relates to a device (20) for injecting a charge into a combustion chamber (4) of an internal combustion engine with spark ignition, the device (20) comprising: • a stratification duct (21) in communication with the combustion chamber (4) near electrodes of a spark plug (7); • a fluid supply line (22) between the stratification duct (21) and a source (30) having a determined pressure; the device (20) is characterized in that it comprises: • a non-return valve (23) between the supply line (22) and the stratification duct (21), to allow the flow of fluid from the source (30) to the combustion chamber (4) and thus to inject the charge there, only when the pressure in the supply line (22) is greater than the pressure in the stratification duct (21); and • a closure system (24) configured to selectively put the supply line (22) in fluid communication with the source (30) of fluid or with an admission channel (5b) of the engine.
F02B 17/00 - Engines characterised by means for effecting stratification of charge in cylinders
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
F02B 23/10 - Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
The invention relates to a bearing guide device of a combustion piston for a variable compression ratio engine. The movement of the combustion piston from a top dead centre to a bottom dead centre drives the movement of a synchronised roller made up of a cylindrical body and a pinion (44) from a first position to a second position relative to first and second racks (46, 37). According to the invention, the first and/or second racks (46, 37) have a different modulus than the modulus of the pinion (44) so that the flanks of the teeth of the pinion (44) engage with the flanks of the teeth of the first and second racks (46, 37) only when the pinion (44) is in the first or second position.
F02B 75/04 - Engines with variable distances between pistons at top dead-centre positions and cylinder heads
F01B 9/04 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups with rotary main shaft other than crankshaft
The invention relates to a rod (1), the length of which is variable, for adjusting the compression ratio of an engine, comprising a cylinder (2) rigidly connected to a first end (E1) of the rod (1); a piston (3) which is movable within the cylinder (2), is rigidly connected to the second end (E2) of the rod, and defines, in the cylinder, a first hydraulic chamber (4) referred to as the "high pressure" hydraulic chamber and capable of transmitting compression forces and a second hydraulic chamber (5) referred to as the "low pressure" hydraulic chamber and capable of transmitting tensile forces; at least one pipe (6) calibrated to enable fluid to flow between the low-pressure chamber (5) and the high-pressure chamber (4); and return means (7) to bring the rod back to its nominal length. The rod (1) is characterized in that cross-sections of the low-pressure hydraulic chamber (5) and the high-pressure hydraulic chamber (4) are equal.
The invention relates to a variable compression ratio engine comprising a stationary engine block in which movable members, including a combustion piston, a rod, and a crankshaft, interact to enable the piston to translate in a combustion cylinder of the engine block, defining a stroke of the combustion piston ranging from top dead center to bottom dead center, wherein the translation is caused by forces resulting from the combustion of a mixture in the cylinder and inertial forces of the crankshaft. The engine is characterized in that it comprises a self-contained device for adjusting the position of the top dead center of the combustion piston, the self-contained device being connected to or built into at least one of the movable members and having a high-pressure hydraulic chamber to counteract the combustion and inertial forces at the bottom dead center, a low-pressure hydraulic chamber to counteract the inertial forces at the top dead center, at least one calibrated pipe to enable hydraulic fluid to flow between the high- and low-pressure hydraulic chambers, and return means to bring the device back to a nominal position. The calibrated pipe and return means are configured so that the self-contained device forms a highly damped oscillating system.
The invention relates to a rod (1), the length of which is variable, for adjusting the compression ratio of an engine, comprising a cylinder (2) rigidly connected to a first end (E1) of the rod (1); a piston (3) which is movable within the cylinder (2), is rigidly connected to the second end (E2) of the rod, and defines, in the cylinder, a first hydraulic chamber (4) referred to as the "high pressure" hydraulic chamber and capable of transmitting compression forces and a second hydraulic chamber (5) referred to as the "low pressure" hydraulic chamber and capable of transmitting tensile forces; at least one pipe (6) calibrated to enable fluid to flow between the low-pressure chamber (5) and the high-pressure chamber (4); and return means (7) to bring the rod back to its nominal length. The rod (1) is characterized in that the characteristics of the mechanical return means (7) and calibrated pipe (6) are selected so that the rod (1) forms a highly damped oscillating system.
ELECTROMAGNETIC VALVE COMPRISING TWO INDEPENDENT AND SEALED FLUID CIRCUITS CONTROLLED BY A SINGLE ELECTROMAGNETIC ACTUATOR, AND MOTOR COMPRISING SUCH AN ELECTROMAGNETIC VALVE
The invention relates to an electromagnetic valve (1) comprising two valve assemblies (2A, 2B) which each control the flow of a fluid, each assembly comprising a valve body having a longitudinal channel with an axis AA communicating with at least two fluid conduits (31A, 32A, 31B, 32B) and an arrangement forming a valve comprising a piston mounted such that it moves inside the channel between a position wherein the fluid conduits (31A, 32A, 31B, 32B) are open and a position wherein the fluid conduits (31A, 32A, 31B, 32B) are closed, each in relation to the other, said piston comprising a magnetisable end portion (40A, 40B), the electromagnetic valve comprising a single electromagnetic actuator (5) inserted between the two valve assemblies.
F16K 11/16 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle which only slides, or only turns, or only swings in one plane
F16K 31/06 - Operating means; Releasing devices magnetic using a magnet
31.
TRANSMISSION DEVICE OF AN ENGINE, PARTICULARLY FOR AN ENGINE WITH VARIABLE COMPRESSION RATE AND/OR VARIABLE DISPLACEMENT
The invention relates to a transmission device (1), particularly for an engine with variable compression rate and/or variable displacement. Said device includes, in a cylinder housing: - a combustion piston (2), capable of moving in a combustion cylinder of the engine and secured to a transmission member (3); - a gear (5) engaging with a first rack of the transmission member (3) and proving transmission of the movement between the combustion piston (2) and a crankshaft of the engine; - a connecting rod engaging, at a first end, with the gear (5) and, at a second end, with the crankshaft; and - a control member (7) engaging with the gear (5) and secured to a control piston (12). The transmission device (1) is characterized in that the combustion piston (2) and the transmission member (3) are slidably linked with the cylinder housing (100) in a main direction.
The invention concerns a device for compensating for the operating clearances of an engine comprising a transmission device (1) likely to move transversely in an engine block (100) during an engine cycle; a pressing device (10) exerting a holding force on the transmission device (1). According to the invention, the holding force is adjusted to the instantaneous speed of transverse movement of the transmission device (1) in the engine block (100).
F02B 75/04 - Engines with variable distances between pistons at top dead-centre positions and cylinder heads
F02B 75/32 - Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
F01B 9/02 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups with crankshaft
F01B 9/04 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups with rotary main shaft other than crankshaft
The invention relates to a travel track (50) having a clip attachment (55) for a variable compression ratio engine (10), including at least one curved segment (51), the outer surface (52) of which engages with a travel track provided on the transmission member (3) or on the control member (7) of the variable compression ratio engine (10) and the inner surface (53) of which is kept in contact with an outer curved surface (54) provided on the toothed wheel (5) of said engine, and at least one clip (55) that is provided on at least one of the ends of the curved segment (51) and is attached to one or the other end of the outer curved surface (54), provided on the toothed wheel (5), by coupling with a hook shape (56) or a projection (56) that comprises said wheel (5) near said end of the curved outer surface (54), said hook shape or projection being complementary to that of the clip (55) such as to be able to engage with said clip.
F01B 9/04 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups with rotary main shaft other than crankshaft
F02B 75/04 - Engines with variable distances between pistons at top dead-centre positions and cylinder heads
34.
ELASTIC FIXING ELEMENT FOR A PISTON OF A VARIABLE COMPRESSION RATIO ENGINE
The invention relates to an elastic fixing element for a piston (2) of a variable compression ratio engine (10), said fixing element consisting of at least one metal rod (15) held under tension between the piston (2) and the transmission member (2) and applying a strong contact pressure between the base of the piston (2) and the upper face of the transmission member (3), said piston (2) being tightened according to a previously calculated angle enabling the metal rod (15) formed by a dowel (16) to be subjected to a desired tension strain and enabling the tightening pre-stress to be reached between the piston (2) and the transmission member (3), and indexed in rotation in relation to the transmission member (3) by an additional tightening which does not significantly increase the tightening pre-stress, said dowel (16) continuing to extend under the same tension strain by plastic deformation.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Connecting rods for machines, motors and engines; ball
bearings; aeronautical engines; cylinders for motors and
engines; fuel economisers for motors and engines; gears,
other than for land vehicles; cranks (machine parts);
anti-pollution devices for motors and engines; pistons for
motors and engines; bearings (parts of machines, engines or
motors); piston rings; pneumatic controls for machines,
motors and engines; regulators (machine parts); machine
wheelwork; roller bearings; ball-bearings; piston segments;
valves (parts of machines); superchargers; journals;
turbocompressors; motors and engines, other than for land
vehicles. Motor cars; vehicles for locomotion by land, air, water or
rail; engines and motors for land vehicles.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Connecting rods for machines, motors and engines, balls for bearings; aeronautical engines; cylinders for motors and engines; fuel economisers for motors and engines; gears other than for land vehicles; cranks (parts of machines); anti-pollution devices for motors and engines; pistons for engines; bearings (parts of machines or motors or engines); piston segments; pneumatic controls for machines, motors and engines; regulators (parts of machines); machine wheelwork; roller bearings; ball bearings; piston rings; valves (parts of machines); superchargers; pivots (pins), journals; turbocompressors; motors and engines (except for land vehicles); carburettors, carburetter feeders, crankcases for motors and engines, hydraulic controls for motors and engines, control devices for motors and engines, torque converters, glow plugs for diesel engines, transmission shaft bearings. Vehicles for locomotion by land, air, water or rail; motors and engines for land vehicles; couplings for land vehicles, transmission shafts for land vehicles, rods for land vehicles, gearboxes for land vehicles, drive chains for land vehicles, hydraulic circuits for land vehicles, torque converters for land vehicles, gears for land vehicles, variable capacity engines for land vehicles, engines with variable volumetric ratio for land vehicles, spring finger devices for functional clearance compensation in engines for land vehicles.
