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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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Class 418/30 - By cylinder or cylinder portion pivotal movement


Subclass of Class 418 - Rotary expansible chamber devices
Definition: Apparatus in which the cylinder or segment thereof is hingedly
No. of patents: 75
Last issue date: 05/22/2012


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NumberTitleIssue Date
8182248Vane pump with tilting pad radial bearings
A vane pump comprises: a drive shaft that passes through the pump frame; a rotor coupled to the drive shaft that has multiple vanes and rotates within the pump frame in an axial direction about an axis of rotation with an outer rotor surface that has a radius that e...
05/22/2012
8128386Variable flow pumping system
A variable displacement pump and pump control system therefor to pump a fluid at selected pump output flow rates having a variable displacement pump and a fluid volume displacement selection controller to select a volume of fluid to be forced from the pump inlet to ...
03/06/2012
7862311Variable displacement vane pump
A variable displacement vane pump includes a pump body, a rotor, an annular cam ring, a rear body closing the pump body, a low pressure supply passage constantly connecting the inlet passage and the other of the first fluid pressure chamber and the second fluid pres...
01/04/2011
7637724Variable displacement vane pump with pressure balanced vane
A radially pressure balanced vane pump includes a housing that defines an inlet port and a discharge port. A cam block disposed within the housing defines a continuous inner surface. A plurality of vanes are supported within rotor slots and rotated above a shaft. Ea...
12/29/2009
7491043Variable displacement pump having a rotating cam ring
Vane pump (10) mechanical losses are reduced by removing vane friction losses and replacing them with lower magnitude journal bearing fluid film viscous drag losses. A freely rotating cam ring (70) is supported by a journal bearing (80). A relat...
02/17/2009
7371053Two-stage hydraulic pump
A two-stage hydraulic pump includes a rotor, a ring, and a plurality of rollers disposed in slots formed on the rotor. The pump has two inlet ports and two outlet ports, which are disposed inwardly and outwardly, respectively, of the rollers. A valve mechanism is in...
05/13/2008
7270521Variable capacity rotary compressor with pressure adjustment device
A variable capacity rotary compressor capable of equalizing an interior pressure (i.e., discharge pressure) of a hermetically sealed container with an interior pressure of a compression chamber where an idling operation is performed, resulting in a reduction of rota...
09/18/2007
7247008Cam ring bearing for fuel delivery system
A bearing assembly is provided for a fuel delivery system that includes a pump (10) having a housing that rotatably receives a rotor (20) carrying vanes (26) thereon, a cam ring (70) received between the housing and rotor (20), and...
07/24/2007
7192259Variable capacity rotary compressor
A variable capacity rotary compressor with upper and lower compression chambers having different capacities, the upper and lower compression chambers being partitioned from each other, and a rotary shaft extending through the upper and lower compression chambers. Th...
03/20/2007
7128542Variable displacement pump
In a hydraulic pump, a cam ring is provided in a cylindrical adaptor for movement in a radial direction, and a differential pressure control valve is provided to control internal pressure and load pressure at the front and back sides of a variable orifice to be intr...
10/31/2006
7107967Fuel supply pump having inner lubricating groove
A fuel supply pump includes a housing, a camshaft and a cam ring. The camshaft is rotatably supported in the housing. The cam ring is supported around a cam portion of the camshaft such that the cam ring is rotatable with respect to the cam portion. A washer member ...
09/19/2006
7108493Variable displacement pump having rotating cam ring
Vane pump (10) mechanical losses are reduced by removing vane friction losses and replacing them with lower magnitude journal bearing fluid film viscous drag losses. A freely rotating cam ring (70) is supported by a journal bearing (80). A relat...
09/19/2006
7083394Vane pump with undervane feed
A vane pump is disclosed for use with gas turbine engines which has pressurized fluid supplied to the undervane portion of the vane elements to balance the forces imparted thereon. The vane pump includes a pump housing, a cam member, a cylindrical rotor member and a...
08/01/2006
7070396Oil pump apparatus having oil drain
In an oil pump apparatus, a drain outlet is positioned outwardly from an inner peripheral surface of a suction passage or from an extended line thereof at a sectional view which takes along an orthogonal direction relative to a central axis of the suction passage an...
07/04/2006
7070399Variable displacement pump with a suction area groove for pushing out rotor vanes
A variable displacement pump has a cam ring, a rotor, a plurality of vanes, a pressure plate and a rear body. The cam ring is accommodated within a pump body. The rotor rotates within the cam ring. The plurality of vanes are inserted retractably into slits formed at...
07/04/2006
6976830Variable displacement pump
Within a cam ring (8), a rotor having a plurality of vanes (27) is eccentrically disposed. A metering orifice (136) is provided halfway on a discharge passage (135) of pressure fluid discharged from the pump, and a control valve is activa...
12/20/2005
6929455Horizontal two stage rotary compressor
A hermetic two stage rotary compressor having a housing with a stationary shaft fixedly mounted in the housing. A motor having a rotor and a stator is mounted in the housing with the rotor being rotatably mounted on the shaft. A pair of compression mechanisms are ro...
08/16/2005
6913451Vacuum pump with fail-safe vanes
A vacuum vane pump for generating a vacuum condition for aircraft instruments includes a rotor having a peripheral surface eccentrically mounted in a housing having a confrontingly opposed inner surface so that the opposed surfaces define a crescent-shaped chamber. ...
07/05/2005
6913446Method for improving the efficiency of a variable displacement pump
An auxiliary solenoid controlled variable displacement power steering pump, hydraulic systems incorporating same, and method for improving the efficiency of variable displacement power steering pumps. In one embodiment, a rotor is arranged within a pump body, and a ...
07/05/2005
6896489Variable displacement vane pump with variable target regulator
A variable displacement vane-type fluid pump is provided which permits improved regulation of the pump discharge such that the pump can meet the various requirements of lubrication for internal combustion engines at all speeds with minimized use of power. Of course,...
05/24/2005
6857862Roller vane pump
A fixed displacement pump includes a housing having a cavity, an inlet, and an end cap with alignment portions therein. A cam ring pivotally associated within the cavity includes adjustment portions. The cam ring is aligned in a fixed position via a pin inserted thr...
02/22/2005
6821093Flow meter
A fuel metering unit including a pump having a rotor with a plurality of slots. The pump also includes a pivotally movable cam ring coaxially arranged with respect to the rotor. Vanes are slideably disposed in the slots for maintaining contact with the cam ring duri...
11/23/2004
6790013Variable displacement vane pump with variable target regulator
A variable displacement vane-type fluid pump is provided which permits improved regulation of the pump discharge such that the pump can meet the various requirements of lubrication for internal combustion engines at all speeds with minimized use of power. Of course,...
09/14/2004
6722856Vane-cell pump
The invention relates to a vane-cell pump comprising a pump rotor (20), provided with a radially displaceable rotor blade (22). Said pump rotor is mounted in a pump stator (12) which can be pivoted inside a pump bearing house (10) around ...
04/20/2004
6719543Selectively adjustable fixed displacement vane pump
An adjustable fixed displacement vane pump is disclosed which includes a pump housing defining an interior pumping chamber having a central axis extending therethrough, a rotor member mounted for rotational movement within the interior pumping chamber of the pump ho...
04/13/2004
6709242Variable displacement pump
In a variable displacement pump, a pressurizing cylinder is provided on an opposite side of the first fluid pressure chamber, holding the cam ring there between, and a piston inserted to the pressurizing cylinder collides with the cam ring. An oil chamber of the pre...
03/23/2004
6688862Constant flow vane pump
A variable capacity pump includes a housing and a rotatable rotor within the housing. The rotor includes radial slots to accommodate slidable vanes or rotor blades, wherein the vanes are urged outwards by centrifugal force into contact with the inner surf...
02/10/2004
6558132Variable displacement pump
A variable displacement vane pump comprises a pump body having inlet and outlet ports, a rotor driven by a drive shaft and co-axially aligned therewith, a plurality of radially extending vanes slidably disposed in the rotor, and a slide pivotally disposed...
05/06/2003
6537047Reversible variable displacement hydraulic pump and motor
A compact high efficiency vane pump is disclosed having a unique T-shaped vane and rotor slot configuration with a roller tip vane in a uniquely configured chamber. To minimize friction in chamber diameter, a pressure plate is provided which is hydraulica...
03/25/2003
6530752Variable displacement pump
In a variable displacement pump, a relief valve is constituted by a pilot drive type relief valve obtained by adding a pilot valve to a main valve, a fluid pressure in a downstream side of a metering orifice provided in a pump discharge side passage is ap...
03/11/2003
6503068Variable capacity type pump
In a variable capacity type pump, in the inner diameter of a cam ring, an inner diameter of a portion forming a middle section between a suction section and a discharge section in a pump chamber is constituted by a negative slope curve in which an end por...
01/07/2003
6457946Regulatable pump
A regulatable pump, in particular a vane pump, is provided with a rotor, with a rotor body and with at least one guide ring and with a cam ring. The eccentricity of the cam ring can be adjusted by means of a regulating piston, a journal of the cam ring ly...
10/01/2002
6375435Static cam seal for variable displacement vane pump
A variable displacement vane pump includes a pump housing having a cylindrical interior chamber, a cylindrical rotor member mounted for rotational movement within the interior chamber of the pump housing, a cam member mounted for pivotal movement within t...
04/23/2002
6375441Back pressure groove structure of variable displacement vane pump
In the back pressure groove structure of a variable displacement vane pump comprising a rotor rotatably contained in a pump housing and having a plurality of vane grooves arranged radially and equidistantly in a circumferential direction, a cam ring is ar...
04/23/2002
6155797Variable displacement pump
In a variable displacement pump, a pump body has an inner surface and is formed with suction and discharge paths communicating with the inner surface. First and second fluid pressure chambers are divisionally formed between the inner surface of the pump b...
12/05/2000
6120256Variable displacement pump
A variable displacement pump has a swingable, displaceable cam ring fitted to form a pump chamber together with the outer circumferential surface of a rotor having vanes. Notches are formed by notching to have a substantially V-letter shape in the startin...
09/19/2000
6042343Variable displacement pump
A cam case 23 is provided which swingably supports a cam ring 34 for forming a pump chamber 36 from a rotor in a state in which the rotor 33 having a vane 33a is moved to an eccentric position such that a swingable pin 35 axially disposed is used as a ful...
03/28/2000
5895209Variable capacity pump having a variable metering orifice for biasing pressure
A variable capacity pump includes a rotor, a plurality of vanes, a cam ring, a spring, a variable orifice, first and second fluid pressure chambers, and first and second openings. The spring biases the cam ring to a position where a volume of the pump cha...
04/20/1999
5802851Motor vehicle hydrostatic transmission system
A hydrostatic transmission for a transaxle which contains two flanged mounting surfaces which are used to secure the transmission to the lower housing of the gear axle. A third point is used as a pilot diameter during assembly but is not required to secur...
09/08/1998
5752815Controllable vane pump
In a controllable vane pump for pumping lubricant through a lubricant circulating system of an internal combustion engine wherein a pivotally supported control ring surrounds the vanes which rotate with the pump rotor and engage the inner walls of the con...
05/19/1998
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