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 |
| 5584513 | Push in plastic tube fitting An improved plastic push in tube fitting includes a plastic body, an elastomer o-ring for sealing, and a plastic collet. The collet and o-ring are disposed in the body such that a tube can be pushed into the body through the collet and o-ring and held aga... | 12/17/1996 |
| 5541405 | Method and device for continuous pattern sensing using fiber optics A fiber optic signal collection system and method for position sensing or sensing other parameters indicated by light distinctive patterns. The system is particularly suitable for use in aircraft flight control. The system includes a set of fiber optic fi... | 07/30/1996 |
| 5435884 | Spray nozzle and method of manufacturing same A method of forming an atomizing spray nozzle includes the steps of etching a swirl chamber and a spray orifice in a thin sheet of material. The swirl chamber is etched in a first side of the disk and the spray orifice is etched through a second side to t... | 07/25/1995 |
| 5423178 | Multiple passage cooling circuit method and device for gas turbine engine fuel nozzle A gas turbine fuel nozzle and method of fuel flow provide resistance to coking of the fuel by means of a multiple passage heat transfer cooling circuit. Fuel streams to primary and secondary sprays of pilot and main nozzle tips are arranged to transfer he... | 06/13/1995 |
| 5417117 | Procedure and apparatus for determining the vulcanization coefficient of elastomers The object of the invention is a procedure for vulcanization which includes a determination of the vulcanization coefficient of an elastomeric workpiece, and an apparatus for the application of the procedure. Prior art is the measurement of the rapture st... | 05/23/1995 |
| 5351998 | Coupling device The invention concerns a coupling device for maximum pressure-tight threaded pipe connectors with a standard coupling body, with a 24 degree connector, a coupling nut to effect a pressure-tight connection, a standard pipe or a connection stub for connecti... | 10/04/1994 |
| 5348354 | Pronged fitting This fitting is of the type whose body has a cross bore and at one end, means to connection to one of two elements to be connected using said tubes while at its other end it has an annular chamber coaxial to the bore meant to receive one end of a tube by ... | 09/20/1994 |
| 5258931 | Precision electronic absolute and relative position sensing device and method of using same A novel position sensing device and novel method for determining position use an electronic memory to retain a look up table for calibrated position indicia on a scale. The position indicia are preferably arranged along the scale so that at least two indi... | 11/02/1993 |
| 5234193 | Rotary plug valve with seat seal An improved rotary plug valve of the type having a valve body with a fluid inlet conduit and a fluid outlet conduit therein has a rotary plug disposed for rotation in the valve body between an open position and a closed position. In the closed position th... | 08/10/1993 |
| 5224550 | Explosion suppression system An explosion suppression system wherein a photodetector (10), a capacitor circuit (12) and a detonator (14) provide an initiation signal to a dispersion tube (18). The dispersion tube includes a casing (20) having orifices (26), an inner tube (28) where t... | 07/06/1993 |
| 5193431 | Device for operation of a sliding door member A device for operation of a sliding door member, the device being movable between an open position in which the door member is open and a closed position in which the door member is closed. The device includes a pneumatic cylinder having an actuating pist... | 03/16/1993 |
| 5192095 | Coupling device The invention provides a coupling device for high pressure threaded pipe connection to a coupling body with a standard 24 degree connector, a coupling nut to establish a pressure tight connection and a shaped pipe or a connection stub for connection to ot... | 03/09/1993 |
| 5149963 | Fiber-optic position sensor including photovoltaic bi-cell A fiber-optic position sensor includes a light source, a light detector that produces analog electrical signals proportional to the intensity of incident light on the detector, and fiber-optic bundles for transmitting illumination light to an object, tran... | 09/22/1992 |
| 5144801 | Electro-hydraulic actuator system An electro-hydraulic actuator having an electric motor disposed in a hydraulic fluid reservoir and connected to drive a hydraulic fluid pump. The actuator includes a piston rod which extends or retracts as a piston is hydraulically driven in a cylinder. A... | 09/08/1992 |
| 5131145 | Process for obtaining a hermetic connection for rigid tube In a tube fitting a nut which extends about the end of a tube allows the tube to be threadedly joined to a nipple. The end of the tube is formed in the shape of a collar which retains the nut. The face of the collar is flattened to sealingly meet with an ... | 07/21/1992 |
| 5095632 | Composite structure unidirectionally stable with respect to thermal and moisture expansion A structure which has a low coefficient of thermal and moisture expansion along one dimension (an axis) is formed of an arrangement of fibers surrounded by and bonded to an engineering thermoplastic resin. The fibers are arranged so that essentially all o... | 03/17/1992 |
| 5092634 | Sealed tube block assembly A sealed tube block assembly and method of making the same includes a tube block having two opposing walls with an axial bore therethrough. The bore is defined by first and second counterbores respectively in the walls and a reduced diameter serrated bore... | 03/03/1992 |
| 5071327 | Two speed gerotor motor with centrally located valve and commutator This gerotor-type hydraulic motor operates at two speeds (low speed, high torque and high speed, low torque) at a given flow rate and pressure of driving hydraulic fluid. It includes first and second rotating power elements disposed along an axis. Between... | 12/10/1991 |
| 5062456 | Kink-resistant, small bend radius hose with polyfluorocarbon liner A kink-resistant, small bend radius hose has a thin layer polyfluorocarbon liner tube with a thickness in the range of from about 0.005 inches to about 0.025 inches. The exterior of the liner tube is etched to allow silicone to be bonded thereto. A thin l... | 11/05/1991 |
| 5062776 | Commutator for orbiting gerotor-type pumps and motors An improved commutator for a gerotor-type hydraulic pump or motor of the type having an orbiting outer or inner gear. Such pumps or motors require a commutator having a circular array of alternating inlet and outlet openings adjacent to a rotating valve p... | 11/05/1991 |
| 5039141 | Annular catch for rapid connection of flexible or rigid tube This catch, which may be used either with rapid connections which can be uncoupled, and those which can not, is of the type which consists of an annular part (2), of spring steel, having teeth (4), directed radially inward, and of which the free edges (4a... | 08/13/1991 |
| 5024468 | Push-in tube fitting and release tool The invention comprises a metal push-in tube fitting and a release tool. The metal tube fitting includes a body with a tube-receiving cavity in one end. A tube support forms the inside of the cavity and supports the tube against inward movement. A gripper... | 06/18/1991 |
| 4974635 | Coupler with spring-locked valves The retractable stop associated with the valve (14) of the female element (2) consists of a spring (26) in catch (hook) form (26), of which the branches (26a) are engaged on the stem (14a) of the valve (14), so as to grip it constantly between two zones, ... | 12/04/1990 |
| 4954931 | Linear diffuse light source A light source providing a diffuse, uniform intensity of light over a length of the device. A prism of material having a relatively high index of refraction has a shape to capture light emitted longitudinally therein by light emitting diodes molded into t... | 09/04/1990 |
| 4892416 | Precision carriage and housing for relative position sensing device A carriage and housing for a position sensing device of the type having a carriage for carrying a reader for reading the position of the carriage with respect to the housing along a position line of the device. The improvements include a carriage with fiv... | 01/09/1990 |
| 4884451 | Fluid pressure measuring device with pressure attenuation The invention relates to a device for measuring pressures in a hydraulic or pneumatic system comprising preferably a piezoresistive pressure measuring cell disposed within the pressure housing in a pressure chamber filled with a separating fluid and separ... | 12/05/1989 |
| 4881880 | Drain for internal gear hydraulic device An improved, high-pressure fluid draining, internal gear hydraulic device of the type having a rotatable valve plate which selectively communicates inlet and outlet ports of a commutator with opening and closing fluid chambers between internal and externa... | 11/21/1989 |
| 4867489 | Tube fitting A fitting for joining a tube to a threaded body member includes a nut having a conical camming surface and a collapsible sleeve with a mating conical surface and internal annular serrations for gripping the tube. A seal in the face of the body member seal... | 09/19/1989 |
| 4854345 | Valve coupler with decompression This coupler with valves is of the type which includes an outer tubular body (2), equipped, at one end (2") with means (3) of rigid connection with a source of fluid under pressure, at the other end of which is made the female fitting (7') of the coupler,... | 08/08/1989 |
| 4836760 | Inlet for a positive displacement pump An improved positive displacement rotary pump, such as a gerotor pump, having an axial housing inlet opening with an outer radial edge extending inside the radial outer extent of the rotating fluid in the pump such that at design speed, the fluid pressure... | 06/06/1989 |
| 4834187 | Explosion suppression system An explosion suppression system wherein a photodetector (10), a capacitor circuit (12) and a detonator (14) provide an initiation signal to a dispersion tube (18). The dispersion tube includes a casing (20) having orifices (26), an inner tube (28) where t... | 05/30/1989 |
| 4824347 | Internal gear machine with reinforced housing A reinforced internal gear machine of the type having variable displacement fluid chambers formed between an orbiting outer gear and a rotating inner gear. The orbiting outer gear is retained in its orbiting motion by a plurality of roller dowells closely... | 04/25/1989 |
| 4815572 | Brake system with improved brake material A brake element and system where the brake friction surface of the element is a refractory metal carbide. The brake element has a molded carbon structure for mechanical and structural strength and the friction surface or surfaces thereon are converted to ... | 03/28/1989 |
| 4813856 | Balanced rotary valve plate for internal gear device An improved rotary valve plate and internal gear machine wherein an imbalance across the rotary valve plate due to high pressure fluid on the commutator side of the valve plate being opposite low pressure fluid in the variable displacement chambers on the... | 03/21/1989 |
| 4805470 | Starter jaw blocker An engagement coupling for a starter drive, in which driving and driven jaws (20, 21) engage each other through face gears, is provided with a blocking mechanism (51). The blocking mechanism (51) is located in the driven jaw (21) and consists of flyweight... | 02/21/1989 |
| 4780948 | Forged dissimilar metal assembly and method A mechanically rigid joint is formed between two different metals by completing the joint in a forging operation. A part (14) made of one metal is placed in a die form (20) and is maintained at a temperature below that required for forging. A billet (23) ... | 11/01/1988 |
| 4777383 | Electrically controlled variable pressure pneumatic circuit A pneumatic circuit pressure control device including an electronic comparator for comparing a transducer generated pressure signal from the pneumatic circuit and a desired pressure signal from a desired pressure input generator. The comparison circuit se... | 10/11/1988 |
| 4771521 | Method and device for dual positioning of a workpiece in a turning machine A dual position chuck and turning machine method allow automatic shifting of a workpiece from a first to a second turning axis by actuation of a draw bar through the spindle of the turning machine. A linkage in the chuck drives a movable jaw assembly havi... | 09/20/1988 |
| 4762274 | Inductor nozzle assembly for crop sprayers An inductor nozzle assembly for use with an air blast sprayer of the type having a tank holding waterborne pesticides, delivery lines connected to the tank and an air blast fan mounted in close proximity to the delivery lines, includes a spray nozzle moun... | 08/09/1988 |
| 4739797 | Hydraulic piston-valve-type control valve A hydraulic piston-valve-type control valve that includes a housing in which a control piston is longitudinally displaceably disposed. By means of annular recesses, and hence control surfaces formed on piston collars about a piston core, the control pisto... | 04/26/1988 |
