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Motors: Expansible Chamber Type > With Motive Fluid Valve

With Motive Fluid Valve

With Motive Fluid Valve patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

07/17/14 - 20140196600 - Air engine with rotatable intake-exhaust mechanism
An air engine includes a cylinder, a piston, a gas supply and an intake-exhaust mechanism. The gas supply supplies a compressed gas to move the piston reciprocating in the cylinder. The intake-exhaust mechanism connected to the cylinder and the gas supply includes a body and an intake-exhaust assembly. The body...

07/10/14 - 20140190346 - Economizer device for linear pneumatic actuator
An economizer device associable with a linear pneumatic actuator includes a body having openings and a Venturi vacuum generator slidably housed in a first conduit. The device operates between a first operating configuration, where a first opening is supplied with air at an operating pressure and the vacuum generator moves...

05/01/14 - 20140116243 - Recuperating passive and active suspension
A hydraulic actuator assembly includes an actuator, a first sink subsystem in fluid communication with an upper working chamber of the actuator, a second sink subsystem in fluid communication with a lower working chamber of the actuator and a source subsystem in fluid communication with both the upper and lower...

05/01/14 - 20140116244 - Pressure control reservoir with check valve
A pressure control reservoir for a vehicle brake system is disposed in a hydraulic line extending from a master cylinder to a wheel cylinder through a pump. The pressure control reservoir includes a check valve which consists of a valve seat and a valve. The check valve is closed when...

04/24/14 - 20140109762 - Control actuator
The control actuator in accordance with the invention comprises a first part with a first wall arrangement and a bottom that circumscribe an inflow volume. The first wall arrangement comprises at least one flow opening through which fluid from the inflow volume can flow. Furthermore, the control actuator comprises a...

04/10/14 - 20140096676 - Cylindrical liner for piston actuator
Disclosed herein are new types of hydraulic piston valve actuators wherein the piston is replaceable with different sized pistons. Further disclosed are parts of the piston interchange system resulting in the fewest number of parts changed between one piston diameter and another piston diameter. Methods of changing from one piston...

04/03/14 - 20140090552 - Compact linear actuator
A fluid-driven linear actuator comprises a piston configured for reciprocating motion in a piston chamber and a spool valve in a valve chamber. The valve chamber is fluidly connected to a fluid input and to a fluid output. The spool valve is configured to be hydraulically moved within the valve...

03/06/14 - 20140060315 - Shock absorber and valve member
An object of the present invention is to facilitate discharge of foreign matter present around a valve member, while inhibiting degradation of seal performance of the valve member. A shock absorber includes a cylinder portion containing a liquid, a piston valve partitioning a space in the cylinder portion into a...

02/27/14 - 20140053719 - Dual stage piloted force reduction valve
A pressurized fluid subassembly comprising: (a) a fluid driven actuator configured to utilize fluid at a high pressure to change an overall length of the fluid driven actuator; and, (b) a sequence valve interposing a low pressure line and a supply line conveying the fluid to the fluid driven actuator,...

02/27/14 - 20140053720 - Reciprocating compressor
A reciprocating compressor is provided. Bearing holes of a fluid bearing of the compressor may be positioned correspond to a full reciprocating region of a piston, to reduce/eliminate frictional loss and/or abrasion between a cylinder and the piston. The bearing holes may be concentrated at certain regions of the cylinder...

02/06/14 - 20140033910 - Method to prevent debris build-up on reciprocating air motor pilot valves
An end cap assembly for a reciprocating air motor comprises a pilot valve and an end cap body. The pilot has a valve stem. The end cap body comprises a central bore for receiving an air motor rod, a valve bore in which the pilot valve is disposed such that...

01/30/14 - 20140026748 - Integrated implement downforce control systems, methods, and apparatus
A downforce controller for an agricultural implement having a double-acting hydraulic cylinder. The cylinder is configured to be coupled to an agricultural row unit and an agricultural toolbar for transmitting a net downforce between the agricultural toolbar and the agricultural row unit. A first pressure in a first chamber of...

01/23/14 - 20140020552 - Pneumatic shifting force supporting device
A pneumatic shifting force supporting device for a gearbox comprises a housing structure having a compressed air inlet and an air vent, and a control rod and an output unit comprising a working piston defining two pneumatic working chambers. A valve arrangement is functionally provided between control rod and output...

01/16/14 - 20140013937 - Reciprocating servo control device for mainshaft of honing machine
A reciprocating servo control device for a mainshaft of a honing machine includes a bed body, a mainshaft mechanism, a driving system for hydraulic reversing and a control system, the driving system includes a mainshaft hydraulic cylinder and a mechanical-hydraulic servo valve, a valve body of the mechanical-hydraulic servo valve...

12/12/13 - 20130327207 - Electromechanical actuator damping arrangement for ram air turbine
A ram air turbine actuator includes a piston rod arranged in a cylinder. The cylinder and piston rod are configured to move longitudinally relative to one another between retracted and deployed positions. An annular space provided between the cylinder and piston rod, and a fluid flow regulating feature is provided...

11/28/13 - 20130312597 - Hydraulic servo-control of a servo-controlled gearbox
A hydraulic servo-control of a servo-controlled gearbox provided with a hydraulic accumulator, having an outer housing and a piston that is slidable axially inside the outer housing and adapted to define a first variable-volume chamber for a gaseous material and a second variable-volume chamber for a control fluid under pressure;...

11/14/13 - 20130298754 - Axial piston machine
An axial piston machine includes a housing part, a drive shaft, which is mounted in the housing part, and a cylinder drum, which is connected to the drive shaft in a rotationally fixed manner and which accommodates a plurality of pistons. Each of the pistons bound a working chamber and...

10/31/13 - 20130284013 - Axial piston motor and method for operating an axial piston motor
To provide an axial piston motor (1), comprising at least one main burner (2), which has at least one main combustion space (21) and at least one main nozzle space (23), and comprising at least one pre-burner (3), which has at least one pre-combustion space (31) and at least one...

10/03/13 - 20130255480 - Variable valve actuator
The present invention discloses an actuator, which is a combination of a hydraulic control unit and a spring-mass mechanical unit, comprising: a housing, with upper and lower ports; an actuation cylinder in the housing; an actuation piston in the actuation cylinder moveable along the longitudinal axis; a first fluid space;...

08/15/13 - 20130205986 - Annular valve
An annular valve (1) has an annular valve member (4) and inner and outer annular valve seats (12, 14). Inner and outer sealing ridges (8, 10) are formed either on the annular valve member or on the valve seats. The inner sealing ridges are more resistant to plastic deformation than...

06/27/13 - 20130160641 - Valves with valve closing member attached to the actuated counter-seat and related methods
A valve assembly in a reciprocating compressor used in oil and gas industry is provided. The valve assembly comprises an actuator configured to a valve actuating motion and a valve. The valve has a valve seat comprises an inlet port configured to allow a fluid to flow through the valve...

04/04/13 - 20130081535 - Piston-chamber hydro-gravity engine
A piston-chamber hydro-gravity engine capable of converting the stagnant volume of the liquid matter of sea, lake, pond or artificially made hydro container, to a moving volume of liquid matter that flows back upon itself and in meanwhile exploits this motion as a working agent to produce mechanical kinetic power,...

02/07/13 - 20130032027 - Fluid pressure cylinder
In a fluid pressure cylinder, a piston is displaced in an axial direction under the action of a pressure fluid. A circular protrusion, which projects toward the piston along an axial direction of the cylinder tube, is formed on an inner end surface of a collar member constituting part of...

01/31/13 - 20130025446 - Cylinder apparatus
A cylinder apparatus includes a flow path which is provided in a valve member and through which a fluid circulates when a rod is moved; a disk valve which opens and closes the flow path; and a spring member which presses the disk valve in an axial direction. The spring...

01/24/13 - 20130019745 - Poppet valve with an impact damper and method for reducing impact wear in hyper compressors
Disclosed herein is a differential pressure poppet valve comprising: a valve body, the valve body having at least one flow inlet and at least one flow outlet; at least one shutter guide disposed inside the valve body; at least one poppet shutter guided by the shutter guide; at least one...

01/10/13 - 20130008303 - Air motor
An air motor (10) that receives compressed air in order to be driven. The air motor (10) includes a valve assembly (11) with a base (12) of a unitary construction. The base (12) has opposite side faces (13) to which there is sealingly attached caps (14) that in cooperation with...

12/13/12 - 20120312155 - Piston rod and cylinder seal device for aluminum bath crust breaker
A piston rod and cylinder seal device includes a cylinder defining a piston chamber extending between first and second cylinder heads. The second cylinder head has a spud receiving bore, a pressure passage communicating with the spud receiving bore, and a bore supply/vent passage. A first piston is disposed in...

12/13/12 - 20120312156 - Fluidic impulse generator
A device for vibrating tubing as it is inserted into a wellbore is disclosed. The device has a fluidic switch that has no moving parts. The fluidic switch is connected to a piston that oscillates back and forth in a cylinder. The piston is the only moving part. As the...

11/22/12 - 20120291624 - Working device
The present invention relates to a working device having an element movable via at least one working cylinder, with at least one energy recovery cylinder being provided for recovering energy from the movement of the movable element and having a chamber filled with gas. In this respect, the chamber filled...

10/11/12 - 20120255433 - Pump assembly
A pump assembly includes a pump housing provided with a bore within which a pumping plunger is reciprocal along a plunger axis; a pump chamber defined at one end of the bore within which fuel is pressurised to a relatively high level; and an inlet valve housed within the pump...

09/13/12 - 20120227579 - Vacuum brake servo for a motor vehicle braking system
The invention relates to a vacuum brake servo for a motor vehicle braking system, comprising a rod-like force input element which is coupled or can be coupled to a brake pedal, a control valve which is actuated by means of the force input element, a chamber arrangement having a vacuum...

08/09/12 - 20120198991 - Fluid operated actuator
A fluid operated actuator (100) is provided. The fluid operated actuator (100) includes a body (101) forming a piston bore (201). A piston (111) is movable within the piston bore (201). The fluid operated actuator (100) also includes a valve unit (105) coupled to the body (101) and including a...

05/03/12 - 20120103179 - Pump unit
A pump unit has an inlet valve, an outlet valve, a supply line for supplying fuel, a pumping chamber, and a plunger for pressurising fuel in the pumping chamber. The inlet valve includes an inlet valve member movable between a first position and a second position. The inlet valve member...

02/23/12 - 20120042771 - Electronically controlled valve
An electronically controlled valve includes a valve member moveable between a first position and a second position. A valve member moving mechanism is operable to receive energy from a fluid-working machine crankshaft, or other rotating shaft, and to provide a valve member moving force to urge the valve member from...

02/16/12 - 20120036992 - Piston machine, especially fluid piston machine
A piston machine, in particular a fluid piston machine, is described as having a plurality of piston units, which have differently sized output volumes for reasons of geometry, and are able to be deactivated individually for the discrete adjustment of a total output volume of the piston machine. In this...

01/12/12 - 20120006191 - Air or gas compression system
A gas compression system is disclosed that includes a hollow cylinder having a cylinder wall, a reciprocal piston carried within the cylinder, and a piston rod connected to the piston. Gas compression control within the cylinder is determined by providing at least two closable openings through the cylinder wall that...

12/29/11 - 20110315003 - Valve assembly
A valve assembly for regulating the flow of fluid between a working chamber of a fluid-working machine and a fluid manifold. The valve assembly comprising a valve body comprising a valve seat, a fluid passage extending through the valve body, and a travelling member comprising a valve member and operable...

12/29/11 - 20110315004 - Valve assembly
A valve assembly suitable for regulating the flow of fluid between a working chamber of a fluid-working machine and a fluid manifold. The valve assembly comprises a valve body comprising a valve seat, a fluid passage extending through the valve body, and a travelling member comprising a valve member, which...

10/13/11 - 20110247485 - Pressure booster and diecasting arrangement
A pressure booster (1) for a die casting machine, comprises a pressure booster piston (4) having a valve seat (7), wherein the pressure booster piston (4) interacts with the valve seat (7) to form a shut-off or non-return valve (6). The valve body (24) is displaceable to a limited extent...

07/21/11 - 20110174152 - Valve-controlled positive displacement machine
A valve-controlled hydrostatic positive displacement machine (DDU) is proposed, with a plurality of cylinder-piston units which are each activatable or deactivatable, via at least one low-pressure valve and via one high-pressure valve, for adjusting a volume flow of the positive displacement machine. According to the invention a valve body of...

06/09/11 - 20110132185 - Variable output hydraulic actuator system
Methods and apparatuses of generating a dynamic variable average flow applied by a hydraulic system of a vehicle....

03/03/11 - 20110048223 - Control device for a hydraulic motor
A control device for controlling a speed of a hydraulic motor includes a housing defining a first void. A speed valve is disposed within the first void and is moveable between a first speed valve position and a second speed valve position. The first void includes a speed valve pressure...

09/30/10 - 20100242718 - Method and system for control of hydraulic systems
A hydraulic actuation system includes a metering valve; and a piston arrangement hydraulically in parallel with the metering valve, the system configured to preferentially move the piston to precharge an end device with hydraulic fluid prior to supplying an actuation fluid volume to the end device and method for actuating...

09/23/10 - 20100236397 - Ls control system
An LS control system is disclosed that includes an inlet metering orifice and a pressure compensator, via which the pressure drop across the inlet metering orifice may be held constant. The signalling pressure that acts on the pressure compensator in the opening direction may be varied as a function of...

12/17/09 - 20090308242 - Pinion valve body and pinion valve assembly for vehicle equipped with the same
A pinion valve body and a vehicle pinion valve assembly with the valve body are disclosed. The pinion valve body has a lower sleeve integrally formed by a sintering process along with upper splines to block an oil leakage and thus there are no needs any more for the conventional...