Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7293576 | Single-piece manifold with reduced pressure arrangement A single-piece manifold comprising a body having an inlet in communication with a water supply and an outlet that communicates with a sprinkler system having a main conduit adapted for fluid flow between the inlet and the outlet is disclosed. The body includes a mai... | 11/13/2007 |
| 7249608 | Flow control for power steering The flow control device comprises a supply passage (2) for supplying hydraulic fluid discharged by a pump (1) to a power steering output section (8); a variable throttle section (3) situated at an intermediate position of the supply passa... | 07/31/2007 |
| 7216662 | Flow control apparatus In a flow control apparatus, a fluid pressure is introduced from downstream of a metering orifice to a rear room of a spool while a relief valve in the spool is assembled in advance. A front section of a relief valve sub-assembly is press fitted to a hole provided o... | 05/15/2007 |
| 7178545 | Modulating bypass control system and method A control system for a bypass duct includes a pneumatic damper control assembly, a sensor and a pneumatic switch. The damper control assembly includes a damper vane mountable in the bypass duct for movement between relative open and closed positions to regulate airf... | 02/20/2007 |
| 7063100 | Flow regulator with pressure relief combination valve A flow regulator with pressure relief combination valve is disclosed which can include a housing and a valve assembly. The housing can have a chamber and four ports. A cage, having a plurality of cross holes, is supported by the housing. A hollow spool is slidably d... | 06/20/2006 |
| 6176251 | Valve assembly in particular for a pressure washer A pressure washing machine has a valve assembly with an inlet opening and an outlet opening for a pressurized fluid, and a fluid interception element which is movable under the thrust of the fluid itself between a first operating position in which the flu... | 01/23/2001 |
| 6170508 | Fluid flow regulating valve and method A valve for regulating the rate of flow and/or the pressure of oil flowing to a transmission or another consumer in the power train of a motor vehicle has a piston which defines with the valve housing a chamber for one or more springs and for oil being ad... | 01/09/2001 |
| 6135135 | Force balanced proportional bypass valve An unbalance compensated bypass valve (23) for a gas turbine engine fuel supply system is responsive to the fuel pressure differential across a fuel metering valve (15) to open and close a bypass orifice (37, 39, 41). The bypass valve (23) selectively sup... | 10/24/2000 |
| 6058962 | Flow rate regulating valve of hydraulic pump A flow control valve for a hydraulic pump is disclosed, which is so constructed that a first pilot chamber (101A) and a second pilot chamber (101B) are arranged in a manner to face a piston (102), resulting in the piston (102) varying initial load of a sp... | 05/09/2000 |
| 6041807 | Flow control device of power steering apparatus A flow control device, responsive to the rotational speed of a pump and to load pressure, has a simple structure. And a housing of the flow control device for saving energy can make use of a general pump housing not for saving energy as a common housing. ... | 03/28/2000 |
| 5797418 | Differential pressure detector with reduced reaction forces A differential pressure detector for providing an output pressure modulated as a function of the pressure drop between the pressures upstream and downstream of a fuel metering device, comprising first and second input chambers for connection to said upstr... | 08/25/1998 |
| 5669405 | Apparatus and method for automatically disabling pressure relief valve of backflow preventer An apparatus and method for automatic disablement of a pressure relief valve used in connection with a backflow preventer in a fire line. A normally open solenoid valve is included in a pressure sampling line, extending from an inlet, or upstream chamber ... | 09/23/1997 |
| 5593004 | Servo control for hydraulic elevator A hydraulic elevator up direction control system is provided that has a circulating valve connected between the supply and the return of a source that normally supplies pressure to the cylinder of an elevator. The circulating valve is controlled by a comp... | 01/14/1997 |
| 4967783 | Recirculation valve with pilot valve A recirculation valve with pilot valve. The claimed invention comprises a housing containing an inlet chamber for receiving liquid from a pump, an outlet chamber for transporting liquid downstream of said valve and a recirculation port for recirculating l... | 11/06/1990 |
| 4510963 | Proportional-flow electrohydraulic control The present invention provides a proportional-flow electrohydraulic control which includes both an electrohydraulic valve (36) and an electronic control (382). The electronic control includes an offsetting circuit (622) and is effective to produce an effe... | 04/16/1985 |
| 4411289 | Hydraulic valve A pilot actuated hydraulic control valve has a flow setting member in the form of a valve piston an end of which co-operates with radial outlet ports of the valve to form a variable metering orifice. A flow sensor provides a feedback differential pressure... | 10/25/1983 |
| 4396033 | Flow volume control device for a power assisted steering device A flow volume control device for a power assisted steering device having a main control valve device, whose main valve spool is movable to establish the communication of an inlet passage with a bypass passage when the flow rate of pressurized fluid suppli... | 08/02/1983 |
| 4365645 | Three-way flow-regulating valve A three-way or three-ported flow-regulating valve for use in a hydraulic system comprises a two-position two-ported throttle valve inserted between an inflow conduit and an outflow conduit and a pressure-relief valve connected to the inflow conduit at an ... | 12/28/1982 |
| 4361166 | Flow controlling apparatus for power steering, operating fluid A hydraulic fluid discharged from a pump is delivered to a power steering device from a supply passage through a restricted passage and a throttled passage so that as the flow through the supply passage increases in response to an increase in the number o... | 11/30/1982 |
| 4355655 | Hydraulic control apparatus for load independent flow regulation A hydraulic flow control apparatus is provided which is adapted to provide a constant pressure differential between a pump and an external load. The apparatus includes a housing, and a balance piston slideably mounted therein. The pump pressure acts to bi... | 10/26/1982 |
| 4346727 | Apparatus for measuring the amount of fluid supplied by a fluid supply device Apparatus for measuring the amount of fuel supplied by a fluid supply device wherein a throttle element is inserted in a supply line to a supply device having an apportioning cross-section wherein a constant pressure differential is maintained by means of... | 08/31/1982 |
| 4343324 | Flow control valve A flow-control valve exhibits a flow-drooping characteristic such that the liquid supply into an oil pressure mechanism is decreased in response to an increase of the amount of liquid discharge from a pump. The pump outlet passage forms branches into a fl... | 08/10/1982 |
| 4327763 | Dual control input flow control valve A pilot operated flow control valve of a bypass type, which automatically regulates the quantity of flow delivered to the control orifice to maintain a relatively constant pressure differential between the supply pressure and the load pressure and which p... | 05/04/1982 |
| 4286615 | Apparatus for measuring the amount of fluid supplied by a fluid supply device Apparatus for measuring the amount of fuel supplied by a fluid supply device wherein a throttle element is inserted in a supply line to a supply device having an apportioning cross-section wherein a constant pressure differential is maintained by means of... | 09/01/1981 |
| 4253482 | Hydraulic valve having pressure compensated demand flow A hydraulic valve of the type having a plurality of flow directing spools and valve bodies, normally disposed in a stack, or sectional control valve assembly, with registering like passageways on adjacent valve bodies in fluid communication. An open cente... | 03/03/1981 |
| 4249556 | Isolating and backflow preventing valve assembly A liquid supply system in which liquid is only supposed to flow from a high-pressure upstream portion to a low-pressure downstream portion is provided with a backflow preventer and upstream thereof with an isolating valve assembly. The backflow preventer ... | 02/10/1981 |
| 4207915 | Back flow preventer A back flow preventer for preventing contamination of a water supply. The preventer includes check valves which are enclosed in a casing comprised of a body and a single removable cover. The check valves are vertically disposed and spaced laterally from e... | 06/17/1980 |
| 4121610 | Electrically operated proportional flow control hydraulic valve and manually operable remote control device therefor A proportional fluid flow control hydraulic valve including a valve body in which a by-pass flow passage leads from an inlet port to a by-pass outlet port. A valve chamber is arranged between the inlet port and a regulated flow outlet port and the by-pass... | 10/24/1978 |
| 4117857 | Fuel control system for a prime mover The flow rate of fuel to a gas turbine engine is controlled by a pivoted flapper valve which lacks the ability to shut off all flow of fuel to the engine. A secondary valve comensates for the inability of the flapper valve and shuts off the fuel flow when... | 10/03/1978 |
| 4036245 | Pressure compensated hydraulic control valve A pressure compensating valve mechanism for a hydraulic control valve, having a port through which excess supply fluid is diverted to tank by the valve element thereof in any metering position of the control valve spool. A pressure control mechanism conne... | 07/19/1977 |
| 3951162 | Control valve with flow control means A control valve having a pair of service passages for connection with the opposite sides of a reversible fluid motor, wherein a flow control valve for each service passage restricts exhaust flow therethrough to prevent the pressure thereof from exceeding ... | 04/20/1976 |
| 3942548 | Fluid control valve A fluid control valve, which relates to fluid control valves in which a pilot passage is opened or closed as a pilot flow is detected in the said pilot passage by means of a limit orifice mechanism located at the middle of the flow and a valve spool is sw... | 03/09/1976 |
