Bizarre Patents
A helium-filled sun shade for protecting individuals engaged in outdoor activities.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7367790 | Double-acting type orbiting vane compressor The double-acting type orbiting vane compressor comprises an orbiting vane having upper and lower circular vanes formed at the upper and lower surfaces of a vane plate of the orbiting vane, respectively, the orbiting vane being attached to a crankshaft rotatable by ... | 05/06/2008 |
| 7225721 | Hydraulic motor The motor comprises a cam and a cylinder block mounted to rotate one relative to the other. The cam comprises a plurality of cam lobes and the cylinder block has a plurality of cylinders slidably receiving pistons that are suitable for co-operating with the cam. The... | 06/05/2007 |
| 7191646 | Positive displacement flow meter A flow meter includes a meter body defining a cavity having opposing ends joined by opposed sides at corners. At least one of the corners is recessed to form a reservoir. A box frame defining a frame interior is received in the cavity for reciprocal movement between... | 03/20/2007 |
| 7048516 | High pressure fuel pump with multiple radial plungers A fuel pump for supplying fuel at high fuel pressures includes a stationary body having a plurality of radial cylinders connecting with a central fuel chamber. Inlet and outlet passages communicate with the fuel chamber. Plungers are reciprocated in the cylinders by... | 05/23/2006 |
| 7047951 | Centrifugally operated evaporative emissions control valve system for internal combustion engines An evaporative emissions control system for small internal combustion engines. A control valve assembly includes a pair of control valves which are respectively associated with a fuel line and with a vent line which each connect the fuel tank and the carburetor of t... | 05/23/2006 |
| 7029241 | Circumferential piston compressor/pump/engine (CPC/CPP/CPE); circumferential piston machines A rotary piston machine includes a first spheroidal element including pistons and/or cylinders and a second spheroidal element including pistons and/or cylinders, wherein the first element can move relative to the second element. The machine can be used as part of a... | 04/18/2006 |
| 6941932 | Advance arrangement An advance arrangement controls timing of fuel delivery by a fuel pump for use in an engine. The advance arrangement includes an advance piston, a servo piston, a light load piston, and an arrangement. The advance piston is slidable within a first bore and cooperate... | 09/13/2005 |
| 6929064 | Downhole pump There is disclosed an improved pump (5, 5′) particularly suitable for use in a method of “artificial lift” in an oil/gas well. Known pumps used in artificial lift methods suffer from a number of problems/disadvantages—e.g. low efficiency (hydraulic ef... | 08/16/2005 |
| 6908286 | Main rotor shaft mounted hydraulic pressure system A rotor system includes a hydraulic pressure system located within a rotor shaft along an axis or rotation. The hydraulic pressure system is within the rotating field such that fluid pressure is generated and supplied from within the rotational field without the nee... | 06/21/2005 |
| 6805538 | Fuel tank mounted, motorized high pressure gasoline pump A pump, for supplying high pressure fuel from a fuel tank to an engine via a common rail, includes a motor assembly (20) mounted on top of the fuel tank, a pump assembly (26) positioned within the fuel tank, and a support column (32) rotatably c... | 10/19/2004 |
| 6733256 | Device for producing consumables The invention relates to a device for producing consumables, especially filled chocolates that consist of a coated filling. The aim of the invention is to provide a device for feeding substances of the consumables to nozzles in a controlled manner. To this end, the ... | 05/11/2004 |
| 6692237 | Rotary piston cylinder device with radially extending cylinder chambers intersecting at a rotary axis A rotary cylinder apparatus which prevents a fluid from leaking from a contact portion of a piston and a cylinder member and consequently enables efficient rotation. The rotary cylinder apparatus comprises: a rotary cylinder member 2 which has cylinder ch... | 02/17/2004 |
| 6672848 | Cruciform pump A cruciform pump comprises a casing, a positioning round disk in the casing; a driven rotary disk; and two sliding blocks. A center of the positioning round disk is arranged corresponding to a center of the casing, and has a cruciform sliding groove. The ... | 01/06/2004 |
| 6637383 | Pivoting piston rotary power device A rotary power device of the swinging piston type has a cylindrical rotor mounted between internal and external portions of a stator. The internal stator provides intake and exhaust channels and may hold an igniter. The external stator includes two axiall... | 10/28/2003 |
| 6634871 | Suction-discharge device for fluids comprising a piston within a rotating inner tube and a plurality of suction and discharge holes An object of the present invention is to provide a suction-discharge device for fluids capable of sucking fluids continuously and discharging fluids continuously under fixed flow rate and pressure, without substantially bringing about pulsations of even o... | 10/21/2003 |
| 6619243 | Pivoting piston rotary power device A rotary power device of the swinging piston type comprises a cylindrical rotor mounted between internal and external portions of a stator. The internal portion of the stator provides intake and exhaust channels and may hold an igniter. The external porti... | 09/16/2003 |
| 6568923 | Fluid suction and discharge apparatus It is an object of the present invention to provide a fluid suction and discharge apparatus capable of continuously discharging fluid with a predetermined flow rate and pressure continuously sucking the fluid without substantially giving rise to pulsation... | 05/27/2003 |
| 6511304 | Radial plunger machine A radial plunger machine is disclosed. The radial plunger machine includes a pintle and a rotor which is rotatable about said pintle, at least one radial cylinder bore being provided in the rotor, a plunger being reciprocably arranged in said cylinder bor... | 01/28/2003 |
| 6293757 | Fluid pump control apparatus and method An amount of pressurized fluid is pumped by a high-pressure fluid pump to a common rail in an engine by using a multi-functional control circuit (ECU) that improves the controllability of fluid pumped to the common rail such that a target pressure in the ... | 09/25/2001 |
| 6286485 | Distributor arrangement A distributor arrangement is disclosed which comprises a distributor member rotatable within a bore formed in a sleeve, the sleeve being provided with a supply port through which fuel under high pressure can be supplied to the distributor member, in use, ... | 09/11/2001 |
| 6280160 | Distributor-type fuel injection pump A fuel injection pump of the distributor type which has a reciprocatingly driven pump piston that is load-bearing in a rotating distributor shaft which pumps fuel out of a pump work chamber to various fuel injection valves via a distributor opening. To co... | 08/28/2001 |
| 6231319 | Hermetic compressor A hermetic compressor includes a plurality of compressing mechanisms. Each of the compressing mechanism includes a rotary cylinder having a groove, and a piston slidable in the groove, so that a compressing stroke is carried out by rotation of said piston... | 05/15/2001 |
| 6212994 | Positive displacement rotary machine A positive displacement rotary machine includes a piston rotor rotatable about a first axis and including a number of pistons equally spaced about the first axis and rotatably mounted about their axes on the piston rotor; a chamber rotor rotatable about a... | 04/10/2001 |
| 6206661 | Hermetic compressor A hermetic compressor includes a compressor mechanism section 40 which includes first and second rotary cylinders 41a and 41b, and first and second pistons 42a and 42b eccentrically rotated in first and second grooves 42a and 43b in the first and second r... | 03/27/2001 |
| 6183212 | Snap-in connection for pumping plunger sliding shoes A fuel supply pump having a plurality of radially disposed plunger sleeves each containing a pumping plunger with a driven end reciprocally movable within the plunger sleeve between a pumping position and a filling position. The fuel supply pump includes ... | 02/06/2001 |
| 6179583 | Metered fluid delivery device A metering device for pressurized fluids has a rotor containing an oscillating free piston operating in a bore at right angles to the rotor axis. The piston is driven by the fluid to be metered. The rotor is retained within a stator having inlet and outle... | 01/30/2001 |
| 6058910 | Rotary distributor for a high pressure fuel system An improved rotary fuel distributor is provided which effectively dynamically centers the rotor during operation while actively cooling the rotor and refilling fuel passages to minimize cavitation. A pressure balancing system is provided which includes pr... | 05/09/2000 |
| 6027312 | Hydraulic pressure supply pump with simultaneous directly actuated plungers A pump and associated method including the steps of pre-metering successive quantities of fuel from a reservoir to a positive displacement transfer pump, then actuating the transfer pump to raise the pressure of the successive quantities of fuel by at lea... | 02/22/2000 |
| 5947707 | Fuel pump with a cam having first and second plunger displacement regions A fuel pump is disclosed which comprises a plunger reciprocable under the influence of a cam surface. The cam surface is shaped to include a first region and a second region. As the plunger moves under the influence of the first region, a pressure wave is... | 09/07/1999 |
| 5889733 | Timer device for distributor type fuel injection apparatus In a timer device having a timer sleeve at a housing with a timer piston slidably provided at the timer sleeve, a high pressure chamber is constituted by securing to the housing a high pressure side cover member constituted as an integrated part of the ti... | 03/30/1999 |
| 5857444 | Inner cam system distributor type fuel injector A rotor that rotates in synchronization with an engine is provided inside a housing and a cam ring is provided outside and around the rotor so that plungers are caused to move reciprocally in the direction of the radius by the cam ring as the rotor rotate... | 01/12/1999 |
| 5810569 | Pump having a variable instantaneous delivery rate A pump is disclosed having a variable cam arrangement under the influence of which a plunger is reciprocable. The variable cam arrangement comprises a plurality of cam rings which in an embodiment of the pump are relatively moveable in order to adjust the... | 09/22/1998 |
| 5782620 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines which has a moving part supported in a housing bore and on its jacket face on one side, has an exit opening that is under high pressure, and whose bearing is improved by virtue of the fact that on the ... | 07/21/1998 |
| 5782619 | Radial piston distributor fuel injection pump A fuel injection pump, in which there is provided in a distributor of the fuel injection pump, a longitudinal bore which connects a pump working space to a control point on the distributor and which is fashioned in the distributor from one end face of the... | 07/21/1998 |
| 5769611 | Hydraulic pressure supply pump with multiple sequential plungers A plurality of plungers situated radially in a pump body, are sequentially actuated inwardly by a rotatably driven, eccentrically mounted actuating ring. A central valve housing is coaxially received within the body and includes a fuel inlet chamber and a... | 06/23/1998 |
| 5700139 | Fuel injection pump of the distributor type with a magnetically actuated valve member of a switching valve connected to a low-pressure piston A fuel injection pump of the distributor type which has at least one pump piston driven in a reciprocating stroke motion, a rotating distributor shaft which via a distributor bore upon rotation establishes a communication between the pump work chamber, de... | 12/23/1997 |
| 5680844 | Fuel pump A rotary distributor fuel injection pump includes a pumping plunger housed in a bore and has a spill valve member integrally formed with an actuator piston contained in a cylinder. High pressure fuel from the bore can be admitted to the one end of the cyl... | 10/28/1997 |
| 5681153 | Two rotor sliding vane compressor A two-rotor, sliding member rotary compressor with an inner rotor, an outer rotor, and at least three sliding members between the inner rotor and the outer rotor. The inner rotor has an outer surface which contains at least one flat portion. The inner rot... | 10/28/1997 |
| 5666921 | Fuel supply apparatus A fuel supply apparatus is disclosed which includes a distributor comprising a distributor member rotatable within a bore provided in a sleeve. The sleeve is provided with a plurality of feed ports and a plurality of delivery ports, fewer feed ports being... | 09/16/1997 |
| 5647323 | Fuel injection system The movement of a control sleeve in the circumferential direction is made to interlock with the movement of a timer piston to ensure that the control sleeve has a function of pre-stroke control. In order to interlock the movements of the timer piston and ... | 07/15/1997 |
