b) which is arranged to be selectively activated to cause the obturator to be in an open condition, and the check valve comprising a controller which has a control signal input to cause the controller to selectively activate the actuator assembly.
A check valve (1) which comprises an obturator (2) and a biasing mechanism, the biasing mechanism arranged to urge the obturator towards a closed condition, and the check valve further comprising an actuator assembly (5, 7a, 7b) which is arranged to be selectively activated to cause the obturator to be in an open condition, and the check valve comprising a controller which has a control signal input to cause the controller to selectively activate the actuator assembly.
a), a stator (4), a rotatable shutter (3), a piston (5) which extends from the rotor surface, the rotor surface and the stator together defining an annular chamber, and the piston arranged to rotate, through the annular chamber, and the rotor surface being orientated at an incline to a plane (P-P) substantially perpendicular to the axis of rotation (A-A) of the rotor and the rotor surface faces generally away from, or outwardly of, the axis of rotation of the rotor.
a), a piston (5) which extends from the rotor surface, a stator (4), a rotatable shutter (3), the rotor surface and the stator together defining an annular chamber, and the piston arranged to rotate, through the annular chamber, wherein when the chamber is viewed in axial cross-section, substantially a single surface of the stator in part defines the chamber (100).
A rotary piston and cylinder device (1) comprising a rotor (2), a stator (4) and a rotatable shutter (3), the rotor comprising a piston (5) which extends from the rotor into a working chamber, the rotor and the stator together defining a working chamber, the shutter arranged to extend through the working chamber and forming a partition therein, and the shutter comprising a slot which allows passage of the piston therethrough, a bearing (20) which mounts the rotor relative to the stator, the rotor comprising a formation (12; 30) which extends substantially axially away from the chamber, and the formation being radially outward of the bearing and extending around the axis of rotation, and the formation comprising a surface which at least in part defines a space between the rotor and the stator, and at least part of that space and/or the formation overlaps in an axial direction with the bearing.
a) comprising a sealing portion arranged to seal with the shutter slot and/or stator and a non-sealing portion arranged not to seal with the shutter slot.
A transmission assembly for a rotary piston and cylinder device, comprising a rotor including a piston, a stator, a shutter including a slot to receive the piston, and a first gear and a gear sub-assembly, the first gear connectable to a rotatably mounted shutter of the device, and the first gear extending from a side of the shutter, and the first gear connected to the gear sub-assembly which converts rotation to an axis of rotation different to that of the shutter.
A rotary piston and cylinder device (1) comprising a rotor (2), a stator (4) and a rotatable shutter (3), the rotor comprising a piston (5) which extends from the rotor into a working chamber, the rotor and the stator together defining a working chamber, the shutter arranged to extend through the working chamber and forming a partition therein, and the shutter comprising a slot which allows passage of the piston therethrough, a bearing (20) which mounts the rotor relative to the stator, the rotor comprising a formation (12; 30) which extends substantially axially away from the chamber, and the formation being radially outward of the bearing and extending around the axis of rotation, and the formation comprising a surface which at least in part defines a space between the rotor and the stator, and at least part of that space and/or the formation overlaps in an axial direction with the bearing.
A rotary piston and cylinder device (1) comprising a rotor (2), a stator (4), a rotatable shutter (3), the rotor and the stator comprising surface portions which define a chamber, wherein the rotor comprises a first surface portion (2A) and the stator comprises substantially two surface portions (4a'; 4b'), and the two surface portions of the stator neighbour each other.
A rotary piston and cylinder device (1) comprising: a rotor(2), comprising a rotor surface(2a), a piston (5) which extends from the rotor surface, a stator(4), a rotatable shutter(3), the rotor surface and the stator together defining an annular chamber, and the piston arranged to rotate, through the annular chamber, wherein when the chamber is viewed in axial cross-section, substantially a single surface of the stator in part defines the chamber (100).
A rotary piston and cylinder device (1) comprising a rotor (2), a stator (4) and a rotatable shutter (3), a rotary piston and cylinder device comprising a rotor, a rotatable shutter, the rotor comprising a piston (5), the piston comprising a first side (5b) and a second side (5a), the first side (5b) arranged to seal with a slot of the shutter, and comprises a working face, the second side being a substantially oppositely directed side to the first side, and the second side (5a) comprising a sealing portion arranged to seal with the shutter slot and/or stator and a non-sealing portion arranged not to seal with the shutter slot.
A rotary piston and cylinder device comprising a rotor (2), comprising a rotor surface (2a), a stator (4), a rotatable shutter (3), a piston (5) which extends from the rotor surface, the rotor surface and the stator together defining an annular chamber, and the piston arranged to rotate, through the annular chamber, and the rotor surface being orientated at an incline to a plane (P-P) substantially perpendicular to the axis of rotation (A-A) of the rotor and the rotor surface faces generally away from, or outwardly of, the axis of rotation of the rotor.
a) which allows passage of the piston therethrough, the slot provided between two surface portions which receive the piston therethrough,at least one of the surfaces defines a close-running region with the piston to provide a fluid seal, and for at least part of the period during which the piston passes through the slot, the close-running region is offset from a mid-plane which extends through the disc and is co-planar with the disc.
F01C 3/02 - Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90°
F01C 11/00 - Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
F02B 55/08 - Outer members for co-operation with rotary pistonsCasings
F04C 18/52 - Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F02B 53/00 - Internal-combustion aspects of rotary-piston or oscillating-piston engines
A rotary piston and cylinder device having a rotor, a stator and a shutter disc, the rotor including a piston which extends from the rotor into the cylinder space, the rotor and the stator together defining the cylinder space, the shutter disc passing through the cylinder space and forming a partition, and the disc having a slot which allows passage of the piston, the shutter disc having a circumferential surface that forms a seal with the rotor, the circumferential surface defining at least one close running line with the rotor, and the at least one close-running line offset from a rotor plane which lies on a radius of the rotor and which includes the axis of rotation of the rotor.
a) which allows passage of the piston therethrough, and a surface of the rotor and a surface of the stator opposing each other forming a close-running surface pair, and at least one of the surfaces comprising an abradable coating (10) which is provided with a plurality of recess formations, and the recess formations are discontinuous from each other.
F04C 18/52 - Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F01C 3/02 - Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90°
F01C 11/00 - Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
F01C 19/12 - Sealing arrangements in rotary-piston machines or engines for other than working fluid
F04C 3/04 - Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type the axes being arranged at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F02B 53/00 - Internal-combustion aspects of rotary-piston or oscillating-piston engines
In a rotary piston and cylinder device (1) having a stator and a rotor, in which the stator at least partially defines an annular cylinder space and the rotor includes at least one piston that extends from the rotor into the cylinder space, and in which, during use, the piston moves through the annular cylinder space on rotation of the rotor relative to the stator, wherein at least part of an outer surface (30) of the rotor (22) is a substantially frusto-conical shaped surface.
F04C 18/00 - Rotary-piston pumps specially adapted for elastic fluids
F01C 3/02 - Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90°
F04C 3/04 - Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type the axes being arranged at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
A rotary piston and cylinder device (1) comprising a rotor (2), a stator and a shutter disc (3), the rotor comprising a piston (5) which extends from the rotor into the cylinder space, the rotor and the stator together defining the cylinder space, the shutter disc passing through the cylinder space and forming a partition therein, and the disc comprising a slot (3a) which allows passage of the piston therethrough, and a surface of the rotor and a surface of the stator opposing each other forming a close- running surface pair, and at least one of the surfaces comprising an abradable coating (10) which is provided with a plurality of recess formations, and the recess formations are discontinuous from each other.
A rotor for a rotary piston and cylinder device (1), wherein at least part of an outer surface (30) of the rotor (22) is a substantially frusto-conical shaped surface.
A rotary piston and cylinder device (1) comprising a rotor (2), a stator and a shutter disc (3), the rotor comprising a piston which extends from the rotor into the cylinder space, the rotor and the stator together defining the cylinder space, the shutter disc passing through the cylinder space and forming a partition therein, and the disc comprising a slot (3a) which allows passage of the piston therethrough, the shutter disc comprising a circumferential surface (30) arranged to form a seal with a surface of the rotor, the circumferential surface defining a profile which forms at least one close running line (13b) with said rotor surface, and the at least one close-running line offset from a rotor plane (13) which lies on a radius of the rotor and which includes the axis of rotation of the rotor.
A rotary piston and cylinder device (1) comprising a rotor (2), a stator and a shutter disc (3), the rotor comprising a piston (5) which extends from the rotor into the cylinder space, the rotor and the stator together defining the cylinder space, the shutter disc passing through the cylinder space and forming a partition therein, and the disc comprising a slot (3a) which allows passage of the piston therethrough, the slot provided between two surface portions which receive the piston therethrough,at least one of the surfaces defines a close-running region with the piston to provide a fluid seal, and for at least part of the period during which the piston passes through the slot, the close-running region is offset from a mid-plane which extends through the disc and is co-planar with the disc.
12 - Land, air and water vehicles; parts of land vehicles
42 - Scientific, technological and industrial services, research and design
Goods & Services
Compressors; turboexpanders; positive displacement
expanders; engines; vehicle engines (except for land
vehicles); rotary piston machines; superchargers; parts and
fittings therefor. Motors and engines for land vehicles. Scientific and technological services and research and
design relating thereto; industrial analysis and research
services.
12 - Land, air and water vehicles; parts of land vehicles
42 - Scientific, technological and industrial services, research and design
Goods & Services
Compressors; turboexpanders; positive displacement
expanders; engines; vehicle engines (except for land
vehicles); rotary piston machines; superchargers; parts and
fittings therefor. Motors and engines for land vehicles. Scientific and technological services and research and
design relating thereto; industrial analysis and research
services.
12 - Land, air and water vehicles; parts of land vehicles
42 - Scientific, technological and industrial services, research and design
Goods & Services
Air compressors; electric compressors; turboexpanders, namely, expansion turbines not for land vehicles; positive displacement expanders in the nature of internal combustion engine parts and drive machinery being steam engines, rankine cycle expanders, compressed air driven motors and generators; engines not for land vehicles; boosting devices for machines, namely, superchargers and turbochargers; rotary piston machines being engines not for land vehicles, motors not for land vehicles, compressors, turboexpanders being expansion turbines not for land vehicles, superchargers and positive displacement expanders; parts and fittings for all the foregoing goods, namely, machine bearings, rotors for machines, stators for machines, valves being parts of machines, transmission drive trains for machines [ Motors and engines for land vehicles ] Scientific and technological services, namely, scientific and technological research, testing, analysis and development and new product design services in the fields of motors and engines for land vehicles, air compressors, electric compressors, turboexpanders, namely, expansion turbines not for land vehicles, positive displacement expanders in the nature of internal combustion engine parts and drive machinery being steam engines, rankine cycle expanders, compressed air driven motors and generators; engines not for land vehicles, boosting devices for machines, namely, superchargers and turbochargers, rotary piston machines, and parts and fittings for all the foregoing goods, namely, machine bearings, rotors for machines, stators for machines, valves being parts of machines, transmission drive trains for machines; industrial analysis and research in the fields of motors and engines for land vehicles, air compressors, electric compressors, turboexpanders, namely, expansion turbines not for land vehicles, positive displacement expanders in the nature of internal combustion engine parts and drive machinery being steam engines, rankine cycle expanders, compressed air driven motors and generators; engines not for land vehicles, boosting devices for machines, namely, superchargers and turbochargers, rotary piston machines, and parts and fittings for all the foregoing goods, namely, machine bearings, rotors for machines, stators for machines, valves being parts of machines, transmission drive trains for machines
A transmission assembly for a rotary piston and cylinder device, comprising a first gear (120) and a gear sub-assembly (15, 16, 17, 18, 19), the first gear connectable to a rotatably mounted shutter (12) of the device, and the first gear extending from a side of the shutter, and the first gear connected to the gear sub-assembly which converts rotation to an axis of rotation different to that of the shutter.
A transmission assembly for a rotary piston and cylinder device, comprising a first gear (120) and a gear sub-assembly (15, 16, 17, 18, 19), the first gear connectable to a rotatably mounted shutter (12) of the device, and the first gear extending from a side of the shutter, and the first gear connected to the gear sub-assembly which converts rotation to an axis of rotation different to that of the shutter.
A rotary piston and cylinder assembly having two rotary piston and cylinder devices, each device including a rotor and a stator, the stator at least partially defining an annular cylinder space, the rotor being in the form of a ring, and the rotor having at least one piston which extends from the rotor ring into the annular cylinder space. In use the at least one piston is moved circumferentially through the annular cylinder space on rotation of the rotor relative to the stator, the rotor body being sealed relative to the stator, and the device further having cylinder space shutter means which is capable of being moved relative to the stator to a closed position in which the shutter means partitions the annular cylinder space, and to an open position in which the shutter means permits passage of the at least one piston, the cylinder space shutter means including a shutter disc, wherein the devices are connected by a transfer passage.
F01C 11/00 - Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
F01C 3/02 - Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90°
F01C 20/12 - Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
F01C 21/00 - Component parts, details, or accessories, not provided for in groups
A rotary piston and cylinder assembly (1) comprising two rotary piston and cylinder devices (2a, 2b) , each device comprising a rotor (7) and a stator (10) , the stator at least partially defining an annular cylinder space (3) , the rotor is in the form of a ring, and the rotor comprising at least one piston (8) which extends from the rotor ring into the annular cylinder space, in use the at least one piston is moved circumferentially through the annular cylinder space on rotation of the rotor relative to the stator, the rotor body being sealed relative to the stator, and the device further comprising cylinder space shutter means (5) which is capable of being moved relative to the stator to a closed position in which the shutter means partitions the annular cylinder space, and to an open position in which the shutter means permits passage of the at least one piston, the cylinder space shutter means comprising a shutter disc, wherein the devices are connected by a transfer passage.
