A one-way valve includes an upstream portion, a movable element, a downstream portion, a bias and flow paths. The upstream portion includes an inlet and a first engaging portion about the inlet. The movable element includes a second engaging portion (engageable with the first engaging portion to impede reverse flow), openings and first bias-contacting portions. The downstream portion includes an outlet and second bias-contacting portions. The bias acts between the first bias-contacting portions and the second bias-contacting portions to urge the movable element against the valve seat and surrounds an interior open to the outlet. The flow paths are via the openings and from outside of the first engaging portion and to the interior, and passing inboard of an upstream end of the bias.
A sealing system for sealing an annulus. The annulus is defined by a cylindrical interior and a cylindrical exterior within, and axially movable relative to, the cylindrical interior. The sealing system includes an inner seal (to surround and sealingly engage the cylindrical exterior), a seal support (to surround, and axially support, the inner seal), an outer seal (to surround the seal support and sealingly engage the seal support and the cylindrical interior), a first support ring (to sit behind an outer periphery of the outer seal), and a back stop (to surround the cylindrical exterior and axially support the seal support and the first ring).
A system and method for pumping fluid. The system includes a sequence of two or more positive-displacement sub-systems each having a respective one-way inlet. A respective one-way flow path links each adjacent two of the sub-systems. A one-way outlet from a last of the sub-systems is provided. The system is capable of a mode of operation in which at least some of the sub-systems are substantially in phase with respect to each other to cause the system to draw fluid from more than one of the one-way inlets; and another other mode of operation in which at least some of the sub-systems are substantially in antiphase with respect to each other to increment a pressure of the fluid as the fluid moves along the sequence.
09 - Scientific and electric apparatus and instruments
Goods & Services
Pumps (machines); pumping apparatus (machines); pumping
station assemblies; pumping units (machines); electric
pumps; electric motor pump units; fluid pumps; fuel
dispensing pumps; fuel dispensing pumps for service
stations; hydrogen dispensing pumps for service stations;
portable pump installations for gases (other than for
medical use); pumps for the extraction of gases (machines);
high pressure pumps; pumps for liquid fuels for use in
filling stations (machines, other than self regulating);
pumps for liquid fuels for use in filling stations (self
regulating); self regulating pumps and dispensing apparatus
for gaseous fuels. Actuators (electric switches); electrical actuators;
electrically operated valve actuators; linear actuators
(electric).
09 - Scientific and electric apparatus and instruments
Goods & Services
Pumping station assemblies * for fuel *, namely, fuel pumping service stations; fuel dispensing pumps for fuel service stations; fuel dispensing pumps for service stations; hydrogen dispensing pumps for service stations; portable pump installations for * fuel * gases, namely, portable pump installations for use with fuels other than for medical use in the nature of pumps for fuel service stations; pumps for machines for the extraction of * fuel * gases * for use in service stations * in fuel distribution; high pressure pumps * for use with fuel, *, namely, high pressure pumps for use in fuel distribution, in the nature of pumps for service stations; non self-regulating pumps for liquid fuels for use in filling stations; self-regulating pumps for liquid fuels for use in filling stations; self regulating pumps and dispensing apparatus for gaseous fuels, namely, engine fuel pumps Actuators for use in the distribution of fuels, namely, electric actuators for fuel pump switches, electrical actuators for fuel pumps, electrically operated valve actuators for fuel pumps, and electric linear actuators * ; all for use with fuel pumps and pumping station assemblies *
A pump including one or more pumping chambers, one or more drive mechanisms for driving the one or more pumping chambers and a logic arrangement. The first pumping chamber of the one or more pumping chambers has a first inlet check valve, a first outlet check valve and a first temperature sensor. The logic arrangement is configured to identify a leak by applying logic to at least resistance-data indicative of a resistance of the first pumping chamber to the driving and temperature-data at least based on output from the first temperature sensor.
A sealing system for sealing an annulus AN. The annulus is defined by a cylindrical interior (11'') and a cylindrical exterior (15'') within, and axially movable relative to, the cylindrical interior. The sealing system comprises an inner seal (31) (to surround and sealingly engage the cylindrical exterior), a seal support (33) (to surround, and axially support, the inner seal), an outer seal (35) (to surround the seal support and sealingly engage the seal support and the cylindrical interior), a first support ring (37) (to sit behind an outer periphery of the outer seal), and a back stop (39) (to surround the cylindrical exterior and axially support the seal support and the first ring).
A high pressure pump including a linear actuator having a servo motor to axially rotate a hollow rotor shaft in alternating directions, the servo motor having a stator positioned co-axially around the hollow rotor shaft with an interior of the rotor shaft being co-axially coupled to a drive member to convert axial rotation into reciprocal displacement, the drive member being constrained against linear movement and supporting a shaft. At least one piston is coupled to the shaft and the piston is arranged within a cylinder to define a pumping chamber, whereby alternating rotation of the rotor shaft causes reciprocal linear displacement of the piston to pressurize fluid in the pumping chamber. A drive mechanism includes a controller coupled to a servomotor and an encoder to measure movement of the hollow rotor or output shaft and send a feedback signal proportional to the movement to the controller.
A system (3) for pumping fluid, including a sequence of two or more positive- displacement sub-systems (15A, 17A; 15B, 17B; 15C, 17C; 15D, 17D) each having a respective one-way inlet (21A, 21B, 21C, 21D). A respective one-way flow path (25AB, 25BC, 25CD) links each adjacent two of the sub-systems. A one-way outlet (25D) from a last of the sub-systems is provided. The system is capable of one mode of operation in which at least some are the sub-systems are substantially in phase with respect to each other to cause the system to draw the fluid from more than one of the one-way inlets; and one other mode of operation in which at least some are the sub-systems are substantially in antiphase with respect to each other to increment a pressure of the fluid as the fluid moves along the sequence.
F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
F04B 11/00 - Equalisation of pulses, e.g. by use of air vesselsCounteracting cavitation
F04B 1/00 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
A pump including one or more pumping chambers, one or more drive mechanisms for driving the one or more pumping chambers and a logic arrangement. The first pumping chamber of the one or more pumping chambers has a first inlet check valve, a first outlet check valve and a first temperature sensor. The logic arrangement is configured to identify a leak by applying logic to at least resistance-data indicative of a resistance of the first pumping chamber to the driving and temperature-data at least based on output from the first temperature sensor.
F04C 14/02 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for several machines or pumps connected in series or in parallel
F04B 9/109 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
B26F 3/00 - Severing by means other than cuttingApparatus therefor
B26F 1/26 - Perforating by non-mechanical means, e.g. by fluid jet
G01M 3/00 - Investigating fluid tightness of structures
13.
Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism
A high pressure pump including a linear actuator having a servo motor to axially rotate a hollow rotor shaft in alternating directions, the servo motor having a stator positioned co-axially around the hollow rotor shaft with an interior of the rotor shaft being co-axially coupled to a drive member to convert axial rotation into reciprocal displacement, the drive member being constrained against linear movement and supporting a shaft. At least one piston is coupled to the shaft and the piston is arranged within a cylinder to define a pumping chamber, whereby alternating rotation of the rotor shaft causes reciprocal linear displacement of the piston to pressurize fluid in the pumping chamber. A drive mechanism includes a controller coupled to a servomotor and an encoder to measure movement of the hollow rotor or output shaft and send a feedback signal proportional to the movement to the controller.
A high pressure pump including a linear actuator having a servo motor to axially rotate a hollow rotor shaft in alternating directions, the servo motor having a stator positioned co-axially around the hollow rotor shaft with an interior of the rotor shaft being co-axially coupled to a drive member to convert axial rotation into reciprocal displacement, the drive member being constrained against linear movement and supporting a shaft. At least one piston is coupled to the shaft and the piston is arranged within a cylinder to define a pumping chamber, whereby alternating rotation of the rotor shaft causes reciprocal linear displacement of the piston to pressurize fluid in the pumping chamber. A drive mechanism includes a controller coupled to a servomotor and an encoder to measure movement of the hollow rotor or output shaft and send a feedback signal proportional to the movement to the controller.
An ultra high pressure pump having a servo motor coupled to a piston having a head arranged within a cylinder to define a pumping chamber, whereby the servo motor rotation causes reciprocal displacement of the piston to pressurize fluid in the pumping chamber to pressures greater than 50,000 psi, the servo motor having a feedback loop coupled to a computer, the feedback loop including a pressure feedback signal to control the pump pressure in real time.
B26F 3/00 - Severing by means other than cuttingApparatus therefor
F04B 9/113 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members reciprocating movement of the pumping members being obtained by a double-acting liquid motor
16.
Ultra high pressure pump with an alternating rotation to linear displacement mechanism
A high pressure pump including a linear actuator comprising a servo motor to axially rotate a hollow rotor shaft in alternating directions, the servo motor having a stator positioned co-axially around the hollow rotor shaft with an interior of the rotor shaft being co-axially coupled to a drive member to convert axial rotation into reciprocal displacement, the drive member being constrained against linear movement and supporting a shaft. At least one piston is coupled to the shaft and the piston is arranged within a cylinder to define a pumping chamber, whereby alternating rotation of the rotor shaft causes reciprocal linear displacement of the piston to pressurize fluid in the pumping chamber. A drive mechanism includes a controller coupled to a servomotor and an encoder to measure movement of the hollow rotor or output shaft and send a feedback signal proportional to the movement to the controller.
