Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7966925 | Combination mismatched metal-to-metal seal and O-ring seal with vent hole in between for high temperature and high pressure environment A sealing unit includes a mismatched metal-to-metal seal and an o-ring seal with a vent hole therebetween. The mismatched metal-to-metal seal may provide a sealing surface between two metals that may withstand high temperatures and pressure while avoiding leakage ov... | 06/28/2011 |
| 7698990 | Hydraulic linear actuating drive A hydraulic linear actuating drive includes a cylinder, a movable servo piston that can be pressure-loaded and that runs inside the cylinder, at least one piston rod attached to the servo piston, and at least one piston gasket having at least two sealing elements at... | 04/20/2010 |
| 7677155 | Statically sealed high pressure fuel pump and method The invention relates to an apparatus and method of statically sealing a reciprocating-type fuel pump, such as a direct injection high pressure piston-type fuel pump. The first embodiment of the invention is a fuel pump comprising a pump body, a fuel reservoir withi... | 03/16/2010 |
| 7478582 | High pressure pump and manufacturing process thereof The problems can be solved by ensuring that Ga≦Gb | 01/20/2009 |
| 7422421 | Plunger pump apparatus A reservoir chamber 33, which communicates with a vent passage 34 provided in an electric motor 11, is formed between a motor casing 20 of the electric motor 11 and a body 13 in which a drain port 59A, which communica... | 09/09/2008 |
| 7377757 | Fluid pump with enhanced seal The invention concerns a fluid pump with a cylinder, piston and check valve for compressing the fluid having a high-pressure seal for precluding leakage of pressurized fluid. Any leakage from the high-pressure seal feeds back into an inlet area of the pump and recyc... | 05/27/2008 |
| 7343848 | Self-vacuum arrangement for pneumatic equipment A self-vacuum arrangement for pneumatic equipment is provided. A Venturi device having first and second ports and a central tap is provided. A first check valve having a first port operably coupled with the central tap of the Venturi device is configured to prevent ... | 03/18/2008 |
| 7313998 | Motor/pump unit, particularly for anti-skid vehicle brake systems The present invention relates to a motor-pump unit for slip-controlled vehicle brake systems, including an accommodating member for hydraulically active elements comprising at least one working piston, which is arranged and guided in the accommodating member so as t... | 01/01/2008 |
| 7303053 | Non-pressure head with integrated piston stop and vent/drain A non-pressure head for a fluid cylinder, which includes a drain channel formed in the flange by a raised portion of the flange extending from a plane of the flange in the same direction as the head portion. The channel is cold formed in the flange. For the piston s... | 12/04/2007 |
| 7293495 | Motor-pump unit The invention relates to a motor-pump unit for a motor vehicle brake system, comprising a motor and a pump which is provided with a shaft that is driven by said motor, with the shaft end being rotatably mounted by means of at least one bearing in an accommodating me... | 11/13/2007 |
| 7247005 | Oil seal arrangement A motor-driven gear pump assembly includes a rotary shaft rotatably mounted in a housing, and a pump mounted on the rotary shaft. The pump has a pressure chamber. A high-pressure seal is disposed around the shaft between the pump and the motor. A low-pressure seal i... | 07/24/2007 |
| 7243592 | Draining of oil leak in a hydraulic cylinder A device for a single-acting hydraulic cylinder (1) designed to lift or pull a load upon the existence of an oil pressure on the rod-side of a cylinder piston (7), where the cylinder bottom (15) of the hydraulic cylinder (1) is provided w... | 07/17/2007 |
| 7178336 | Pump A hydraulic pump apparatus having an internal sump formed by a housing having an internal portion and an end cap secured to the housing. A rotatable cylinder block is located in the sump and driven by an input shaft extending into the housing. The pump apparatus als... | 02/20/2007 |
| 7118324 | COcompressor A CO2 compressor for an air conditioner of a motor vehicle is suggested having a sealing device, assigned to the driveshaft of the CO2 compressor, which is implemented as a sliding ring. The CO2 compressor features a lubrication devi... | 10/10/2006 |
| 7107892 | Housing with multiple case drain ports for hydrostatic transmission pumps In a variable displacement hydraulic pump having a housing with a multiplicity of interconnected surfaces, including opposed end surfaces and intermediate side surfaces, the improvement comprising the location of at least one case drain orifice in each of a pluralit... | 09/19/2006 |
| 7096774 | High pressure press, method for operating a high pressure press and use of such a press A high pressure press for treatment of substances such as food includes a floating piston in a pressure chamber, with seals. The floating piston has drainage system for collecting any pressure fluid that leaks past a seal of the floating piston. The drainage system ... | 08/29/2006 |
| 7052250 | Reciprocating compressor A reciprocating compressor, being small-sized and compact, for compressing hydrogen gas to be used in a fuel-cell car, has a crankshaft, to which an end of a connecting rod is connected. The other end of the connecting rod is connected to a crosshead. To the crosshe... | 05/30/2006 |
| 7004062 | Elevator pit receptacle with float valve assembly An elevator pit receptacle and float valve assembly provide for the safe displacement and collection of seeped hydraulic fluid from an elevator cylinder/piston assembly. The receptacle is elevated above the ground yet is below the cylinder seepage ring. A float valv... | 02/28/2006 |
| 6997448 | Device for the detachable mounting of workpieces on machining devices A device for holding workpieces in a releasable manner is proposed, comprising a mounting plate (2) with a clamping pin (3) for mounting a workpiece and an end plate (5) for connecting in a supporting manner to a machining apparatus for machinin... | 02/14/2006 |
| 6957594 | Starter having helical ventilation groove in tube In a starter, a cylindrical tube is slidablly engaged with an outer peripheral surface of an output shaft through a bearing in an axial direction. A front end of the tube, which supports a pinion, is closed to define an enclosed space between the front end of the tu... | 10/25/2005 |
| 6953323 | Medical fluid pump A method, system and apparatus for performing peritoneal dialysis are provided. To this end, in part, a pump for a dialysis system is provided. The pump includes a first chamber wall including a first aperture, a second chamber wall including a second aperture, a pi... | 10/11/2005 |
| 6948417 | Fluid cylinder with swivel joint A fluid cylinder with a swivel joint which is more improved with high utility is provided. To this end, in the fluid cylinder, a flow passage (R2b) leading to a chamber (1F) at the rod side of the cylinder is provided inside a rod (3), an... | 09/27/2005 |
| 6942467 | UHV compatible lead through, device and procedure for highly effective production of nuclear spin polarized 3He at high polarization There is provided an ultra high vacuum (UHV) compatible lead-through comprises (a) a housing, (b) a first space, within the housing, connected via a first port to a space outside the UHV-compatible lead through, (c) a second space, within the housing, connected via ... | 09/13/2005 |
| 6918336 | Rotary hydraulic machine An expander that converts the thermal energy and the pressure energy of a working medium into mechanical energy includes, within a casing (12, 15, 18), an operating part such as a group of axial piston cylinders operated by the working medium introduced into ... | 07/19/2005 |
| 6865980 | Method and apparatus for returning the drain oil of a hydraulic motor The invention relates to a method and apparatus for returning the oil drained from a working pressure space of a hydraulic motor into a motor casing to an oil line, which is connected to the motor and which is in communication via a divider with intra-motor flow cha... | 03/15/2005 |
| 6796778 | Fuel injection pump having throttled fuel path for fuel lubrication In a fuel path through which fuel is supplied to a pump-cam chamber accommodating a drive shaft and a cam for lubrication, an annular throttle fuel path is formed between an inside wall of a cylindrical body and an outside wall of a sphere, when the sphere is in con... | 09/28/2004 |
| 6651547 | Guide for the piston rod of a piston-cylinder assembly Guide for the piston rod of a piston-cylinder assembly, especially for a vibration damper, a shock-absorbing strut, or a level-control element, where the guide body holds the cylinder tube and the outside tube and simultaneously centers the piston rod in ... | 11/25/2003 |
| 6638034 | Pumping set for an ABS/ASR/VSC brake system The pumping set comprises an electric motor (10), the output shaft (12) of which is drivingly connected to a piston pump arrangement (14) for delivering hydraulic fluid. To prevent hydraulic fluid, which escapes at the piston pump arrangement (14) during ... | 10/28/2003 |
| 6574960 | Method and apparatus for maintaining the correct oil overflow quantity in diaphragm compressors In diaphragm compressors diaphragm heads with oil spaces of high energy content (pressure×volume) have a strongly negative influence on the operating response of the oil overflow valve. The reaction of the valve leads to undesirably long open times causi... | 06/10/2003 |
| 6532861 | Clamping device The invention depicts and describes a clamping device for securing a draw-in bolt (12) on a machine table, a baseplate, or the like, having a piston (6) that is arranged movably in a cylinder bore (4) to form a pressure chamber (5), a cover (9) that close... | 03/18/2003 |
| 6502394 | Pump A symmetric pump having a symmetric end cap attached to a symmetric housing is disclosed. The end cap is attachable in a first position or a second position wherein the second position is rotated relative to the housing. A trunnion arm extends in a first ... | 01/07/2003 |
| 6478554 | Hydraulic unit The invention relates to a hydraulic unit for a hydraulic control and/or regulating device, in particular for anti-blocking and/or anti-slipping brake systems, comprising control and regulating electronics arranged in a control housing as well as a valve ... | 11/12/2002 |
| 6413064 | Pump A rotary vane pump for delivering a fluid, having a delivery device accommodated in a casing (2), a casing cover (3) arranged on one end face, and optionally with a bearing flange (4) adjoining the casing (2) on the side opposite to the casing cover (3). ... | 07/02/2002 |
| 6389955 | Pump assembly for a slip-controlled hydraulic brake system for a vehicle A pump assembly having a piston pump, which is driven by an eccentric element. To prevent leakage brake fluid from reaching an eccentric element chamber, a groove surrounds the pump piston in the pump housing and a seal and a porous metal sintered ring is... | 05/21/2002 |
| 6390072 | Pump assembly A pump assembly flows pressurized engine oil to HEUI fuel injectors in a diesel engine. The assembly includes an inlet throttle valve which controls the volume of oil flowed to the pump dependent upon the difference between the pump outlet pressure and a ... | 05/21/2002 |
| 6374723 | Retrofit drip ring for a hydraulic piston assembly A drip ring for use with a hydraulic cylinder is provided. The drip ring is prefabricated from a flexible material. To size the prefabricated drip ring, the drip ring is cut and wrapped around the hydraulic cylinder that is to be fitted. The amount of exc... | 04/23/2002 |
| 6257122 | Clamping cylinder The invention relates to a clamping cylinder for operating, for instance, a chuck by means of a pull pipe or pull rod installed preferably in a turning machine. The clamping cylinder has a cylinder casing (4) comprising a screwed-on cover plate (5), an ax... | 07/10/2001 |
| 6142060 | High pressure fuel pump having a bellows sealing arrangement There is provided a high pressure fuel pump which includes a reliable fuel seal having a long durability and which can be produced at a relatively low cost. When a rotating shaft 4 is rotated to rotate a swash plate 7, such rotation is transmitted to a pi... | 11/07/2000 |
| 5979296 | Reciprocating pump A communication path (32) for communicating a hermetically closed space (S) with an inlet port (20) is formed within a casing (1). An oil reservoir (30) having an inside capacity much greater than an inside capacity of the communication path (32) is forme... | 11/09/1999 |
| 5964580 | Positive displacement pump having a ratchet drive guide for dispersing cyclic compression stresses over the circumference of an internal flexible member A positive displacement pump includes a deformable hollow member for delivering a subject liquid by a cycle of contraction and restoration of its volume, a casing which contains the hollow member, and a pressurizing device for supplying and evacuating a h... | 10/12/1999 |
