Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7992485 | Apparatus for compensating and/or transmitting forces or torques and rotational movements between two components An apparatus for compensating and/or transmitting forces/torques and rotational movements between two components, particularly for compensating for vehicle movements, in which at least one joint module is situated between the two components, which joint module conve... | 08/09/2011 |
| 7584692 | Helical spline actuators Helical spline actuators can be employed to actuate ball valves. In certain embodiments, an actuator can include a remote operated vehicle shaft, an internally splined shaft, and an externally splined shaft that can be used in combination to actuate a ball valve. In... | 09/08/2009 |
| 7520209 | Servo for a gear change Described herein is a servo for a gear change provided with a control shaft; the servo has: a first actuator, which displaces the control shaft axially along a central axis thereof and is directly coupled to the control shaft; and a second actuator, which renders a ... | 04/21/2009 |
| 7448310 | Innerscoping hydraulic system A hydraulic cylinder and associated hydraulic system that includes a sleeve cylinder in mechanical contact with a base and stationary between extended and retracted positions, which defines a second hydraulic fluid chamber. An internal cylinder is retained within th... | 11/11/2008 |
| 7357065 | Compound linear motion and rotary actuator To eliminate necessity for rotating a rotation drive mechanism against frictional resistance originated by a sealing portion of a piston when an output shaft is rotated in a component linear motion and rotary actuator. An inside cylinder tube is concentrically provi... | 04/15/2008 |
| 7347136 | Airless sprayer with hardened cylinder An airless sprayer for paint or the like consists of an electric drive unit connected to a piston. Driven by the electric drive unit, the piston reciprocates within the cylinder, thus spraying the paint or the like. Because of the close tolerance between the piston ... | 03/25/2008 |
| 7302930 | Air induction system and assembly method for an intake manifold with a single shaft and sensor for activating air control valves The present invention utilizes a single shaft with cam-actuated control valves and one linear solenoid for control of air flow control vales in the air induction system for a V-type engine. According to various exemplary embodiments of the present invention, the sin... | 12/04/2007 |
| 7300035 | Valve, actuator and control system therefor A valve actuator comprising a lower housing comprising a mounting spool that is operable to couple to a valve body. A rotating sleeve is disposed within the lower housing and coupled to a stem connector. A fixed sleeve in disposed within the lower housing and includ... | 11/27/2007 |
| 7267044 | Compact actuator with large thrust A manually and/or fluid-pressure operated rotary actuator is coupled with a power screw in a compact assembly to produce large linear thrust. The actuator is operated in both directions by fluid pressure or in one direction by fluid pressure and in the other by spri... | 09/11/2007 |
| 7237473 | Actuator for pneumatic valve A pneumatic valve includes a housing having an inlet port and a delivery port and an exhaust port. A valve element is movable in the housing to control air flow between the inlet port and the delivery port and the exhaust port. The valve includes a rolling element a... | 07/03/2007 |
| 7210720 | Timed rotation tool assembly and actuator A fluid-powered tool assembly having first and second tool members, a body, and first and second rotatable shafts. The first shaft is attached to the first tool member for rotation therewith about a first axis, and the second shaft is attached to the second tool mem... | 05/01/2007 |
| 7207722 | Combined bearing A combined bearing includes a main body (10) and a mating member (30). The main body is generally cylindrical, with an axial hole (16) and a cutout (18) defined therein. The cutout is generally semi-cylindrical and spans from an outer sur... | 04/24/2007 |
| 7159507 | Piston pump useful for aerosol generation A piston pump delivers precise and repeatable volumes of a fluid from a reservoir to a downstream component, and includes a piston that is rotatably and reciprocally mounted within a cylinder. The outer periphery of the piston forms an interference fit with the inne... | 01/09/2007 |
| 7146900 | Composite operation type actuator A cylinder chamber 17 at the front of a direct-acting type actuator section 10 is connected to a cylinder chamber 37 at the front of an oscillating type actuator section 30 through a sequence valve with check valve 40. Further, a c... | 12/12/2006 |
| 7111834 | Swing-arm clamp A swing-arm clamp is provided. The swing-arm clamp has a piston rod which is disposed therein. The piston rod is movable through the swing-arm clamp in response to movement by the piston along a longitudinal axis between first and second positions. The clamp also ha... | 09/26/2006 |
| 7044048 | Drive unit for a motor vehicle axle stabilizer A drive unit is provided for the coaxial twisting movement of two stabilizer halves of a motor vehicle axle stabilizer with a tubular housing. Two housing halves are provided having an interior of which a hydraulically movable actuating piston is arranged displaceab... | 05/16/2006 |
| 7025181 | Automotive brake system A automotive braking system for use on a vehicle for emergency stopping and parking comprising a mechanical brake caliper which exerts frictional stopping force on a brake rotor, the caliper being designed so as to provide a means of transferring mechanical force to... | 04/11/2006 |
| 6994504 | Two part slide fastener A two part fastener (10) for clamping together first and second members (20, 22) that have an opening (40), comprises a base (12) having legs (80, 90) resiliently biased outwardly away from each other and insertable through the ope... | 02/07/2006 |
| 6966249 | Rotary actuator A rotary actuator including a tube. A piston disposed in the tube and configured for displacement there along. The piston having a spline extending radially outwardly therefrom formed by plurality of grooves and a plurality of non-grooved portions. At least some of ... | 11/22/2005 |
| 6918902 | Irrigation and suction valve and method therefor The in-line hand operated valve controls the flow of at least the irrigation fluid or suction to a surgical site. First and second sources provide fluid and suction to the valve. Valve body source ports communicate with the source lines and a delivery port communica... | 07/19/2005 |
| 6896306 | Actuator mechanism for a two-bucket grab device Actuator mechanism for a two-bucket grab device and having two grab arms arranged to move as pincers with respect to one another, has two hydraulic pivot motors with journals of the respective pivot shafts projecting from the motor housing and supporting the grab ar... | 05/24/2005 |
| 6793194 | Rotary valve actuator An actuator for operation of a valve, said actuator comprising tubular housing, which accommodates therein a piston, mounted with possibility for reciprocating linear stroke motion, an operating rod, which is operatively coupled with the piston and is rotatable abou... | 09/21/2004 |
| 6648608 | High pressure fuel pump A main unit pumps the transferred liquid actuated by an auxiliary unit for pumping a working liquid. The auxiliary unit comprises a piston provided with an axial drilling (bore) for circulating working liquid between a tank and a compression chamber. The ... | 11/18/2003 |
| 6487858 | Method and apparatus for diminishing the consumption of fuel and converting reciprocal piston motion into rotary motion An apparatus for converting between reciprocal piston motion and rotary shaft motion. A unique H-shaped piston rod configuration and corresponding cylinder assembly for improving the efficiency of internal and external combustion engines. A Stirling engin... | 12/03/2002 |
| 6457308 | Thermal energy engine assembly A thermal energy engine assembly comprises a cylinder, a piston set, a reheater, a spindle and a flywheel. An external thermal source is placed outside the cylinder to drive the piston set to have reciprocating motion along the spindle. The piston set has... | 10/01/2002 |
| 6446434 | Power machinery for temperature-differential engine A power machinery for a temperature-differential engine comprises a first valving piston, a power piston, a second valving piston, a spindle, a countershaft and a flywheel. The power piston and the second valving piston have spiral grooves on outer surfac... | 09/10/2002 |
| 6431048 | Combination actuator with speed variable mechanism An output shaft is connected to a piston rod of a fluid pressure-driven linear cylinder through a converting mechanism for converting linear thrust of the piston rod into rotational torque and converting operation of the converting mechanism is controlled... | 08/13/2002 |
| 6312238 | Hydraulically retractable hydraulic motor A method and apparatus for hydraulically engaging and disengaging a hydraulic motor comprising a rotor and a stator.... | 11/06/2001 |
| 6230492 | Electrically actuated hydraulic power cylinder An electrically actuated hydraulic power cylinder for use in a vehicle braking system. The power cylinder includes an electric motor, a rotary-to-linear actuator for converting rotary motion of the electric motor to a linear motion, and a hydraulic cylind... | 05/15/2001 |
| 6170728 | Drive wheels for an apparatus performing a work operation on strip material An apparatus for performing a work operation on sheet material includes a plurality of drive wheels for driving the sheet material in cooperation with a plurality of pinch rollers along a feed path. Each of the drive wheels includes a drive surface having... | 01/09/2001 |
| 6139288 | High pressure pump The present invention provides a high pressure pump (1), which comprises an electric motor (2) having a through-hole in axial direction on a rotation shaft (5), a thrust transmission shaft (8) engaged with threads of a rotation nut (6) operated by rotatio... | 10/31/2000 |
| 6092455 | Hydraulic pressure transformer A hydraulic pressure transformer for the conversion of an input hydraulic power to an output hydraulic power includes a housing with a generally planar face surface and a plurality of ports opening at the face surface. A barrel which is rotatable about an... | 07/25/2000 |
| 6073537 | Roller bush for fuel injection pump A roller bush for a fuel injection pump is interposed between a metal roller and a pin. The roller is forced to contact with a cam reciprocating a plunger, and the pin supports the roller rotatably about a rotational axis at either axial side of the bush.... | 06/13/2000 |
| 5967017 | Rotational displacement apparatus with ultra-low torque and high thrust load capability An improved rotational displacement apparatus is provided for measuring accurately the twist induced in an extension-twist coupled specimen in response to application of an axial load. The apparatus has an internal cylinder within which a piston rides. A ... | 10/19/1999 |
| 5960693 | Control apparatus for pneumatically operated extensible member and method Control apparatus and method for applying power to a linear actuator (A) utilizes an air cylinder (B) and a self-locking drive (C) rotated by an electric motor (D) for affording positioning and velocity control for the air operated cylinder and the guided... | 10/05/1999 |
| 5918530 | Hydraulic rotary actuator A hydraulic torque motor comprising a cylindrical housing (1), a piston (30) which can only be moved axially in the housing (1) and a rotor (20) which can only be rotated and which extends through the piston (39). The rotor (20) has a spiral groove (21) a... | 07/06/1999 |
| 5899112 | Rotary/linear converter A rotary/linear converter comprising a reciprocator having a main axis (A) and being adapted for reciprocating movement in the direction of the main axis (A) and a rotator adapted for rotating movement about the main axis (A), the converter further includ... | 05/04/1999 |
| 5896804 | Syringe pump A compact syringe pump having a high quantitative accuracy and a high durability is provided. The syringe pump comprises a motor, a rotating cylinder, a moving element, a guide means for introducing the moving element in an axial direction of the rotating... | 04/27/1999 |
| 5819632 | Variable-speed rotating drive A variable-speed rotating drive is provided. A drive shaft terminates in a hreaded piston that is received in an internally threaded cylinder. A plurality of linear actuators are distributed evenly about the circumferential periphery of the internally thre... | 10/13/1998 |
| 5806404 | Rotary piston driving mechanism A driving mechanism transforms continuous longitudinal reciprocation of a piston in a chamber into unidirectional rotation. The mechanism utilizes a closed wave-shaped groove defined in either the cylinder or the chamber and adapted to receive guiding mem... | 09/15/1998 |
