Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 8181456 | Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments... | 05/22/2012 |
| 8069661 | Transmission hydraulic control system having an accumulator A hydraulic control system for actuating at least one torque transmitting device in a transmission includes a sump, a pump in communication with the sump, and an accumulator. A first control device and a second control device control the communication of hydraulic f... | 12/06/2011 |
| 8065873 | Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments... | 11/29/2011 |
| 8065874 | Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments... | 11/29/2011 |
| 8061132 | Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments... | 11/22/2011 |
| 7325399 | Coolant penetrating cold-end pressure vessel An improvement is provided to a pressurized close-cycle machine that has a cold-end pressure vessel and is of the type having a piston undergoing reciprocating linear motion within a cylinder containing a working fluid heated by conduction through a heater head by h... | 02/05/2008 |
| 7143859 | Construction machinery Construction machinery which is capable of improving fuel efficiency of the engine and also capable of effectively utilizing surplus energy in a light-load mode. The construction machinery includes an engine, a hydraulic pump driven by the engine, and actuators driv... | 12/05/2006 |
| 6935107 | Three-way pneumatic commutator and volume booster Disclosed is an actuator system for positioning a piston within a cylinder and comprising a compressed air source, a positioner, and first and second pneumatic valving modules. The first and second pneumatic valving modules respectively comprise first and second vol... | 08/30/2005 |
| 6862972 | Additive injection device A reciprocating drive system that utilizes energy available from pressure changes in flowing fluid systems, said drive used for the injection of additives into pipelines. The reciprocating drive includes a hydraulic accumulator having a gas chamber connected to a ga... | 03/08/2005 |
| 6854269 | Noise attenuation in a hydraulic circuit A method is provided for attenuating noise in a hydraulic circuit having a pump in fluid communication with a hydraulic actuator by a conduit. The method includes supplying a flow restricting device in the conduit and generating a signal representative of a fluid fl... | 02/15/2005 |
| 6817175 | Hydraulic system architecture for controlling steering The invention relates to a hydraulic steering system architecture comprising at least one steering control actuator having chambers connected to the outlets of a directional-control valve, an accumulator, and an electrically-driven pump unit associated with an emerg... | 11/16/2004 |
| 6725581 | Construction equipment Compact, low-cost construction equipment capable of effectively recovering energy from a plurality of hydraulic actuators is provided. To this end, the construction equipment comprises: a hydraulic recovery circuit for recovering return oil from the hydraulic actuat... | 04/27/2004 |
| 6378301 | Pressurized fluid recovery/reutilization system Energy of returning pressurized fluid of an actuator is recovered and reused as energy for operating other accumulators. A first pump motor (16) and a second pump motor (17) are mechanically connected to form a pressure converter (18), and a first circuit... | 04/30/2002 |
| 6370874 | Hydraulic control device for a mobile machine, especially for a wheel loader A hydraulic control arrangement for a mobile working machine has at least one hydraulic cylinder with the aid of which a working tool is moved, a directional control valve for controlling pressure-fluid channels between chambers of the hydraulic cylinder,... | 04/16/2002 |
| 6311714 | Seismic detecting shut-down valve device A fluid path opening/closing valve comprises a plate-like valve plug and a rack which is fixed to a piston of an emergency shut-down air cylinder. The rack meshes with a pinion which rotates by a reversible motor with a clutch. If a seismic detecting valv... | 11/06/2001 |
| 6073441 | Single acting pneumatic piston-cylinder unit A pneumatic piston-cylinder apparatus of single acting type which performs a working stroke in one working direction, and is returned to its initial position without any external supply of compressed air comprising a cylinder part with cylinder jacket (1)... | 06/13/2000 |
| 5851050 | Hydraulic closure system for a motor vehicle A hydraulic closure system is disclosed for use in a motor vehicle that enables automatic opening and closing, as well as manual closing, of a closure pivotably mounted to an opening frame defining a closure opening in the motor vehicle. The system includ... | 12/22/1998 |
| 5794440 | Adaptive fluid control A regenerative adaptive fluid motor control system integrating a load adaptive fluid motor control system and a load adaptive energy regenerating system having a built-in regenerating circuitry containing an energy accumulator. The fluid motor control sys... | 08/18/1998 |
| 5794439 | Regenerative adaptive fluid control A regenerative adaptive fluid motor control system integrating a load adaptive fluid motor control system and a load adaptive energy regenerating system having an independent regenerating circuitry containing an energy accumulator. The fluid motor control... | 08/18/1998 |
| 5794437 | Regenerative adaptive fluid motor control A regenerative adaptive fluid motor control system integrating a load adaptive fluid motor control system and a load adaptive energy regenerating system having an energy accumulator. The fluid motor control system includes a primary constant displacement ... | 08/18/1998 |
| 5794442 | Adaptive fluid motor control A regenerative adaptive fluid motor output feedback control system integrating a load adaptive fluid motor output feedback control system and a load adaptive energy regenerating system having an energy accumulator. The fluid motor control system includes ... | 08/18/1998 |
| 5794441 | Adaptive fluid feedback control A regenerative adaptive fluid motor position feedback control system integrating a load adaptive flujid motor position feedback system having an energy accumulator. the fluid motor control system includes a primary variable displacement pump powering a sp... | 08/18/1998 |
| 5727388 | Solar activated positive displacement piston pump-rotor drum turbine An apparatus powered by solar cell photon energy having a motor for rotating a drive shaft by the use of compressed air. The motor comprising: a housing having a circular cross section with a drive shaft extending therethrough; a rotor having concave cups... | 03/17/1998 |
| 5522212 | Rod equal displacement cylinder in a rapid transfer and feed system A single rod three chamber fluid cylinder is driven in an initial rapid advance forward stroke by a main pump, pumping fluid through a proportional directional control valve to act against a first equal area at the head end of the piston. Fluid expelled f... | 06/04/1996 |
| 5477677 | Energy recovery device A device for recovering energy, in particular potential energy in working machines, has a hydraulically actuatable working cylinder linked to a hydropneumatic storage. At least another working cylinder is provided. The two working cylinders are mutually l... | 12/26/1995 |
| 4891941 | Free piston engine-pump propulsion system A stored energy-type propulsion system for a vehicle employing a free piston engine-pump hydraulically connected to a drive motor, which in turn connects to the vehicle wheels. The hydraulic connection between the engine-pump and the drive motor includes ... | 01/09/1990 |
| 4693080 | Hydraulic circuit with accumulator A hydraulic circuit for actuating a first hydraulic motor with an under psure, i.e. pressurized fluid has an externally driven first hydraulic pump for introduction of fluid into the circuit from an open reservoir and a hydraulic accumulator to keep stan... | 09/15/1987 |
| 4679396 | Engine control systems Engine BMEP being a major contributor to the gap between conventional automobile road fuel mileage and the theoretically possible, indicates the desirability of a continuously variable road wheel/engine speed ratio. There is described a double swash plate... | 07/14/1987 |
| 4665696 | Hydraulically operated hoist for containerized freight or the like The invention in a preferred embodiment contemplates a dual-lift hydraulic arrangement in which each of two hydraulic-lift systems employs a power integrator in the connection between a charged hydraulic accumulator and a hydraulic actuator for cable susp... | 05/19/1987 |
| 4350220 | Automotive drive system An internal combustion engine is connected to a fixed displacement pump normally having its inlet connected to a reservoir and its outlet connected to an accumulator. To start the engine, selectively operable valves connect the inlet of the pump to the ac... | 09/21/1982 |
| 4132283 | System to supplement engine power A system for using hydraulic fluid pressure to supplement vehicle engine power. The system includes a fluid pump selectively coupled during vehicle deceleration to the power output mechanism of the engine. Low pressure fluid from a reservoir is pumped int... | 01/02/1979 |
| 4031966 | Operating and shock cylinder assembly for vehicle underbody scrapers and the like An operating and shock cylinder assembly for vehicle mounted underbody scraper and grader blades, plows and the like. The assembly of cylinders operates with hydraulic fluid and air, both under pressure, to move the blade or plow between retracted and roa... | 06/28/1977 |
| 3940932 | Noncombustion engine In a closed Stirling Cycle system gas, such as dried air, is heated and expanded within a power piston chamber, driving the power piston outwardly of the chamber into contact with a cam groove of a flywheel, rotating the flywheel. When the power piston re... | 03/02/1976 |
