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| Number | Title | Issue Date |
| 7644647 | Hydraulic actuating device for actuating a shift rod in particular of a gearbox for motor vehicles There is disclosed a hydraulic actuating device for actuating a shift rod in particular of a gearbox for motor vehicles, which comprises a cylinder chamber provided in or on a gear housing for accommodating a shift piston which is actively connected to the shift rod... | 01/12/2010 |
| 7100372 | Vehicle air compressor device The present invention provides a vehicle air compressor device which includes a motor device serving as a driving power source, and a drier device that conducts compressed air; the drier device arranged opposite to the motor device; and a supporting member for suppo... | 09/05/2006 |
| 6918336 | Rotary hydraulic machine An expander that converts the thermal energy and the pressure energy of a working medium into mechanical energy includes, within a casing (12, 15, 18), an operating part such as a group of axial piston cylinders operated by the working medium introduced into ... | 07/19/2005 |
| 6663359 | Pump chamber having at least one spacer for inhibiting the pumping of a gas Pump chambers are disclosed that include at least one spacer element therein to prevent any gas in the pump chamber from being pumped from the pump chamber during pumping. In some embodiments, the pump chambers are included in removable pumping cartridges... | 12/16/2003 |
| 6648311 | Assembly and method of exercising an airplane landing gear strut A strut exercise assembly for an aircraft comprises a fluid strut telescopic along a path. A couple selectively connects the fluid strut to a driver. The driver telescopes the fluid strut along a path through the couple.... | 11/18/2003 |
| 6568926 | Fluid metering pump A pump (10) includes a chamber (14) communicating with a fluid inlet (12) and a fluid outlet (13) above the centerline thereof to minimize dead air space where air bubbles might form. A connector (21) having a bend or elbow (26) is formed at the fluid inl... | 05/27/2003 |
| 6382923 | Pump chamber having at least one spacer for inhibiting the pumping of a gas Pump chambers are disclosed that include at least one spacer element therein to prevent any gas in the pump chamber from being pumped from the pump chamber during pumping. In some embodiments, the pump chambers are included in removable pumping cartridges... | 05/07/2002 |
| 6237334 | Hydraulic actuation device A hydraulic actuation device for the adjustment of units in motor vehicles includes a piston-cylinder unit with a housing and a piston displaceably arranged in the cylinder portion of the housing and/or in a guide sleeve in the housing. The piston-cylinde... | 05/29/2001 |
| 6179568 | Piston pump and method of reducing vapor lock A pump includes a housing defining a cavity, at least one bore, a bore inlet, and a bore outlet. The bore extends from the cavity to the outlet and the inlet communicates with the bore at a position between the cavity and the outlet. A crankshaft is mount... | 01/30/2001 |
| 6113365 | Piston pump The invention relates to a piston pump for a slip-controlled hydraulic vehicle brake system. The piston pump has a piston which is driven to execute a stroke motion, and two check valves as an inlet valve and outlet valve for controlling the fluid flow th... | 09/05/2000 |
| 6032936 | Fluid mount including a partitionless compensator A fluid mounting (20) for isolating or damping vibration between a vibrating member (21) and a structure (23). In one aspect, the fluid mounting (20) includes inner (22) and outer (24) members, a flexible element (26), first (28) and second (30) operating... | 03/07/2000 |
| 6029447 | Spring brake actuator with filtered vent openings A spring brake actuator (10), with a large-force compression spring (72) in a spring chamber (101) of the housing, has vent openings (102) in the housing communicating with the spring chamber (101). A gas permeable filter element (104) covers the vent ope... | 02/29/2000 |
| 6004117 | Displacement pump An improved displacement pump is provided with flow path means preventing hysteresis-causing bubbles from accumulating in piston clearances.... | 12/21/1999 |
| 5983778 | Telescopic hydraulic hoist apparatus A telescoping hydraulic hoist formed from a non-corrosive material provides bearings and hydraulic seals about the bottom portion of each intermediate moving stage. The bearings and hydraulic seals are thus always maintained within the hoist and are not e... | 11/16/1999 |
| 5823294 | Lubrication mechanism in compressor A compressor compresses gas containing misted oil. The compressor has a drive plate located in a crank chamber and mounted on a drive shaft and a piston operably coupled to the drive plate and located in a cylinder bore. The drive plate converts rotation ... | 10/20/1998 |
| 5697287 | Hydraulic power cylinder In a work cylinder (1) a ring (10) has been respectively inserted in the cross-sectional plane of the line connection (for example 6), which has a conduit (13) corresponding with the connection. At the highest point in the work cylinder (1) this conduit (... | 12/16/1997 |
| 5501577 | Gas operated pump leak preventer A technique for detecting and containing liquid leaks in a liquid pumping, gas-operated diaphragm pump, and for stopping the pump operation when such leaks occur. If there is a leak in such a pump, the exhaust air gets contaminated with the liquid. With t... | 03/26/1996 |
| 5476370 | Oil pump subject to pumping a two phase flow In a lubrication system subject to two phase flow, the oil pump is provided with a capacity such that it can always pump sufficient oil plus the refrigerant and/or excess oil. The excess oil and/or outgassed refrigerant is vented to provide the desired lu... | 12/19/1995 |
| 5390586 | Self-bleeding hydraulic cylinder A self-bleeding multi-stage or single-stage hydraulic cylinder system is disclosed which automatically bleeds entrapped air from within the cylinder each time the cylinder is cycled. The self-bleeding structure preferably includes a fixed elongated tube m... | 02/21/1995 |
| 5363742 | Air over oil intensifier An air over oil intensifier has an oil chamber having first and second ports (C) and (E), respectively, opening into a highest collection point of the cylindrical interior of the oil chamber defined by an upwardly and inwardly tapering surface (D) at a to... | 11/15/1994 |
| 4887514 | Oil separation and gas pressure equalizer means for reciprocating gas compressor A housing of a reciprocating gas compressor comprises a partition member separating an upper suction chamber through which gas passes and a lower crankcase chamber in which a crankshaft rotates and which has an oil sump at the bottom. The partition member... | 12/19/1989 |
| 4886424 | Multi-piston swash plate type compressor with damping arrangement for discharge reed valves A multi-piston swash plate type compressor for an air-conditioning system used in a vehicle such as an automobile, including a cylinder block body having a swash plate chamber formed therein for receiving a swash plate and cylinder bores formed therein fo... | 12/12/1989 |
| 4832082 | Hydraulic pilot operated directional control valve A hydraulic pilot operated directional control valve (30; 60; 70) in which at least one pilot hydraulic pressure chamber (40, 41; 76) is formed within a block (39; 64; 75) of a hydraulic pilot operating section (32, 33; 61; 72), and pilot hydraulic fluid ... | 05/23/1989 |
| 4784040 | Control system for expelling liquid from a pneumatic actuator A control system for a pneumatic actuator uses pressurized gases, such as air, as the actuating medium. Such gases and particularly air commonly contain moisture which condenses to form a liquid, such as water, which collects in a closed chamber of an exp... | 11/15/1988 |
| 4741177 | Oil separator in a coolant system In coolant systems oil mixed with the coolant is often removed in a separate oil separator on the high-pressure side of the compressor. In order to obtain a compact design in a coolant system comprising a unit including an oil-injection rotary compressor,... | 05/03/1988 |
| 4721185 | Oil container arrangement for vehicles A container arrangement for supplying with an oil a hydraulic system and a transmission of a vehicle, the arrangement comprises an element containing a supply of an oil to be used both for a hydraulic system and a transmission of the vehicle, a lubricant ... | 01/26/1988 |
| 4648998 | Charge forming apparatus A charge forming apparatus or carburetor having a mixture passage and a throttle valve arranged therewithin. A fuel pressure control mechanism comprises a chamber from which controlled fuel is fed to the mixture passage. A flexible diaphragm defines one o... | 03/10/1987 |
| 4582468 | Suction muffler for hermetic motor compressors having m-shaped oil separation element A muffler for motor compressors comprising a body closed at the lower side by a cover and provided on its frontal wall with a hole through which the refrigerating gas is sucked. The gas introduced into the interior of the body strikes against the rear wal... | 04/15/1986 |
| 4560324 | Automatic purger for a hydraulically controlled double diaphragm pump The automatic purger has an intermediate chamber (11) one of the walls of which is formed by an elastic diaphragm (10), termed front diaphragm, whereas the other wall is formed by a second elastic diaphragm (12), termed rear diaphragm. This chamber is con... | 12/24/1985 |
| 4497176 | Brake system pressure bleed device A stationary pressure bleed stem and a movable pressure bleed stem are mounted on a base plate to adjust for varied spacing between the master cylinder ports at the reservoir bottom. The fixture is clamped over the master cylinder reservoir. The stems may... | 02/05/1985 |
| 4415315 | Swash-plate type compressor having an improved lubricant oil feeding arrangement In a swash-plate type compressor, a partition wall, which separates a suction passageway extending through the cylinder block and the valve plates from the swash plate chamber, has its lateral wall formed with a refrigerant gas inlet opening which communi... | 11/15/1983 |
| 4412787 | Swash-plate type compressor having an improved lubricant oil feeding arrangement In a swash-plate type compressor, a refrigerant gas deflecting wall is formed in a suction passageway extending through the cylinder block and the valve plates, the deflecting wall extending substantially at right angles to the direction of flow of refrig... | 11/01/1983 |
| 4402493 | Vehicle height adjusting device A vehicle height adjusting device includes a source of pressurized air, and an elevating device receiving the pressurized air from the source to change the overall length thereof, thereby changing the height of a vehicle. A drain separator is connected be... | 09/06/1983 |
| 4392788 | Swash-plate type compressor having oil separating function A partition member divides the interior of the rear cylinder head into a low pressure chamber and a high pressure chamber on one side of the partition member facing the valve plate and into an oil separating chamber on the opposite side. Formed in the hig... | 07/12/1983 |
| 4347046 | Swash plate compressor A swash plate compressor of light weight construction having a cylinder block defining weight reducing tubular cylinder bore portions which form, with its outer shell, a low pressure gas upper inlet channel and a pair of low pressure gas lower exit channe... | 08/31/1982 |
| 4290345 | Refrigerant compressors A refrigerant compressor comprising a balance hole communicating between a crank chamber and a suction chamber for returning the blow-by gas in the crank chamber to suction chamber, is provided with an oil separating member in a discharge chamber to separ... | 09/22/1981 |
| 4283997 | Refrigerant compressors A refrigerant compressor unit which includes a balance hole communicating between the crank chamber and the suction chamber for returning blow-by gas in the crank chamber to the suction chamber. The unit is provided with an oil collecting zone within the ... | 08/18/1981 |
| 4103492 | Reservoir in master cylinder of vehicle braking system A reservoir in a master cylinder for use in a vehicle braking system comprising two or more barrier plates vertically spaced and fitted in the reservoir to partition the interior of the reservoir into three or more chambers. Each of the plates has one or ... | 08/01/1978 |
| 4103762 | Method and device for repairing damaged bleeder valve apertures There is disclosed herein a method for repairing a bleeder valve aperture on a disc brake caliper or the like and a device for use in practicing this method thereby eliminating the necessity of replacing the caliper housing. The repair method includes the... | 08/01/1978 |
| 3968731 | Fluid motor for swinging booms A fluid motor for a backhoe or the like. A hollow motor cylinder is provided with upper and lower end plates to define a motor chamber through which a generally vertical shaft extends. The shaft is journalled for relative rotation and a first vane is loca... | 07/13/1976 |
