Bizarre Patents
Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 8052402 | Hand operated pump A hand operated pump for generating negative and positive air pressure. The pump includes a pump body having a pump cylinder and a piston mounted for reciprocation in the cylinder. A selector valve communicates with the cylinder and is moveable between a positive-pr... | 11/08/2011 |
| 7588425 | Reversible inflation system A reversible inflation system allowing a single pump to be used for both inflation and deflation of the air bladder. The present embodiment of the inflation system includes a motor and an impeller located within a housing having a diaphragm valve and a slide. Presen... | 09/15/2009 |
| 7491037 | Reversible valving system for use in pumps and compressing devices A valving system for reversing flow in a compressing device. The reversible compressor includes a reversible drive motor for reversing a rotational direction of a rotor, a first and second port located in a left and right side of a stator, respectively, and a first ... | 02/17/2009 |
| 7418763 | Hand vacuum with filter indicator A hand-held portable vacuum having a filter indicator that is coupled to an outlet housing and in fluid communication with a portion of the outlet housing between a fan inlet and an intake. The filter indicator includes a pressure differential indicator that is conf... | 09/02/2008 |
| 7313837 | Inflatable product provided with electric air pump An inflatable product that includes a chamber and an electric air pump for inflating the chamber. The air pump has an air intake and an air outlet. The air intake is connected to the outside of the chamber and the air outlet is connected to the inside of the chamber... | 01/01/2008 |
| 7249936 | Dual capacity compressor A dual capacity compressor, which can maintain a fixed eccentricity and stable operation, even when the compressor is rotated in both the regular and reverse directions in order to provide multiple compression capacities, is provided. This dual capacity compressor i... | 07/31/2007 |
| 7210912 | Reciprocating piston compressor having improved noise attenuation A reciprocating piston compressor having a suction muffler and a pair of discharge mufflers to attenuate noise created by the primary pumping frequency in the primary pumping pulse. The suction muffler is disposed along a suction tube extending between the motor cap... | 05/01/2007 |
| 7156803 | Devices for controlling fluid flow through a medium A fluid flow system for preparing an implantable substrate is provided having a fluid permeable container that is capable of retaining a biocompatible, implantable substrate, and a driver mechanism for subjecting fluid to a constant force to induce a selected, contr... | 01/02/2007 |
| 7146903 | Dual capacity compressor Dual capacity compressor including a power generating part (20) having a reversible motor (21, 22) and a crank shaft (23) inserted in the motor (21, 23), a compression part (30) having a cylinder (32), a piston (31), ... | 12/12/2006 |
| 7124662 | Reversible driving apparatus for PCU pumps An accessory driving apparatus for an aircraft system is connected to an accessory unit to be driven, such as a PCU pump. A gear set for transferring rotational power from the driving shaft to the driven shaft is provided for selective arrangement in first and secon... | 10/24/2006 |
| 7120955 | Inflatable product provided with electric air pump An inflatable product that includes a chamber and an electric air pump for inflating the chamber. The air pump has an air intake and an air outlet. The air intake is connected to the outside of the chamber and the air outlet is connected to the inside of the chamber... | 10/17/2006 |
| 7100743 | Crank shaft in dual capacity compressor A crankshaft in a dual capacity compressor is disclosed, which causes oil contained in a lower portion of the compressor to flow up to an upper portion thereof with respect to all the rotational directions of a motor. A crank shaft (100) includes a driving sh... | 09/05/2006 |
| 7083110 | Window having a ventilation equipment The present invention relates to a window having ventilation equipment. The window having ventilation equipment according to the present invention includes a window frame formed with a mounting hole penetrating from outdoor side to indoor side, a casing which can be... | 08/01/2006 |
| 7060049 | Injection system having an agitation mechanism for circulating a fluid medium A system for dispensing a medium includes at least a first container to hold the medium, a pressurizing device, such as a pump, in fluid connection with the container for pressurizing the medium, and an agitation mechanism or device to maintain the components of the... | 06/13/2006 |
| 7040347 | Air pump assembly with switching pipe An inflatable product that includes an inflatable body, a switching pipe and a fan and motor. The switching pipe is switched between a first position and a second position. The fan and motor inflates the inflatable body when the switching pipe is switched to the fir... | 05/09/2006 |
| 6976559 | Piston compressor, particularly hermetically enclosed refrigerant compressor The invention relates to a piston compressor, particularly a hermetically enclosed refrigerant compressor, with a crank drive, having a crank shaft with an eccentric crank pin and an oil channel arrangement, and a connecting rod with a first piston-side connecting r... | 12/20/2005 |
| 6953324 | Adjustable crankpin throw structure having improved throw stabilization means A stabilizing structure for a throw adjusting eccentric cam in a two-stage reciprocating compressor is provided. The compressor includes a block that has at least one cylinder with an associated compression chamber and piston, a crankshaft that includes an eccentric... | 10/11/2005 |
| 6932162 | Pneumatic processing machine having automatic stop at the end of a machining cycle A pneumatic processing machine includes a pneumatic motor, a circuit for connecting the motor to a source of compressed air, a tool holder spindle, and a drive mechanism. The mechanism includes a selection element which can be moved to select a first method of drivi... | 08/23/2005 |
| 6592302 | Pneumatic transmission system and blower unit therefor A blower unit is provided which is suitable for use in a pneumatic transmission system. The blower unit includes a housing having at least two inlet/outlet openings through which air can flow. Disposed within the housing are one or more blower motors, eac... | 07/15/2003 |
| 6503068 | Variable 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 |
| 6422832 | Air pump capable of inflating and deflating an inflatable object interchangeably An air pump is capable of inflating and deflating an inflatable object and is formed of a main body having a cylinder duct, an air outlet and an air inlet in communication with the cylinder duct. The air in the cylinder duct is let out via the air outlet.... | 07/23/2002 |
| 6318974 | Oil pump for separate lubrication The invention provides a compact oil pump for separate lubrication having no back gear with the rotation of an engine as a driving source even when the engine is reversely rotated. In the oil pump for separate lubrication, a distributor is fitted to a cyl... | 11/20/2001 |
| 6190137 | Reversible, variable displacement compressor A reciprocating piston compressor having at least one cylinder, a reciprocable piston disposed in the cylinder, a crankshaft rotatable in both a forward and a reverse direction, the crankshaft having a cylindrical eccentric portion, a latching member pivo... | 02/20/2001 |
| 6092993 | Adjustable crankpin throw structure having improved throw stabilizing means A stabilizing structure for a throw adjusting eccentric cam in a two-stage reciprocating compressor is provided. The compressor includes a block that has at least one cylinder with an associated compression chamber and piston, a crankshaft that includes a... | 07/25/2000 |
| 5951261 | Reversible drive compressor A reciprocating piston compressor including at least one cylinder, a reciprocable piston disposed therein, a crankshaft rotatable in forward and reverse directions and having an eccentric crankpin, and a cam disposed about the crankpin, the piston operati... | 09/14/1999 |
| 5938410 | Dust sucking/blowing device A dust sucking/blowing device including a housing including a fan chamber for receiving a fan therein, a dust collecting sleeve fitted around the fan chamber and formed with a first and a second inlets communicating with a dust collecting room which is fo... | 08/17/1999 |
| 5901802 | Hydraulic passages for oil pump for speed reducer used in electric vehicles Hydraulic passages for an oil pump for a speed reducer used in electric vehicle include a first passage for connecting an inlet port of an oil pump to an oil reservoir through a first check valve, a second passage for connecting an outlet port of the oil ... | 05/11/1999 |
| 5735644 | Pneumatic tube system and blower assembly A blower assembly for a pneumatic transfer tube system alternately creates a pressure or a vacuum in a transfer tube. The blower is comprised of a housing having an internal cavity and a first and a second external port communicating with the cavity. A mo... | 04/07/1998 |
| 5586862 | Centrifugal pump having a slidable gate An AC motor driven centrifugal pump includes an AC motor, a symmetrical pump volute, and an impeller shaft which is coupled to an impeller hub having a plurality of radial vanes or fins. The pump volute is symmetrical about a vertical axis with an axial i... | 12/24/1996 |
| 5513956 | Circulatory assisted device with motor driven gas pump A balloon pump for a circulatory assist device, the pump comprising a pumping chamber of variable volume in which a diaphragm assembly is displaceable in first and second pumping directions to inflate and deflate the balloon, the diaphragm assembly compri... | 05/07/1996 |
| 5456581 | Control system for a multi-piston pump with solenoid valves for the production of constant outlet pressure flow A multi-piston pump is provided which uses microprocessor controlled check all valves to control flow rate of a fluid at the pump's outlet port. The pump includes nine cylindrical shaped chambers and associated reciprocating pistons which are driven by a c... | 10/10/1995 |
| 5432265 | Process for the continuous removal of products from high pressure systems The continuous removal of solid products from a high-pressure system is achieved by operating a high-pressure pump in reverse to gradually reduce pressure at the exit line to atmospheric pressure. This process allows solid products to exit the system whil... | 07/11/1995 |
| 5366355 | Positive displacement pump A rotor rides on the shaft end and is eccentric with respect to the rotational axis of the shaft. The rotor rotates in the bore of a pivot ring and coacts therewith in the nature of a double action pumping such that there are two pumping cycles per revolu... | 11/22/1994 |
| 5182834 | Vacuum pump-out control valve for wet/dry vacuum cleaner A pump-out control valve for use in connection with a wet/dry vacuum cleaner that includes a collection tank, a top cover and a vacuum blower with an air inlet and air outlet. The control valve is mounted over a pair of openings formed through the cover. ... | 02/02/1993 |
| 4900235 | Reversible pump assembly A windshield washer pump including comprising an impeller chamber having a reversible impeller rotatably mounted therein and an inlet for windshield washer fluid communicating therewith. Dual outlets communicate between the impeller chamber and opposite e... | 02/13/1990 |
| 4874298 | Double selectable delivery pump The double delivery pump comprises an impeller with double direction of rotation contained in a body connected to an axial intake conduit and defining a cylindrical seat connected to two tangential rectilinear ducts leading into a distribution seat contai... | 10/17/1989 |
| 4865580 | Inflation system, in particular for cardiac assistance An inflation system, in particular for cardiac assistance, has a rotary dributor driven by a motor controlled by an electronic circuit. The rotary distributor places a bag and an inflation fluid reservoir in communication through a pump for alternately i... | 09/12/1989 |
| 4861236 | Birotational pump This invention comprises a birotational pump for the movement of air fluid through a conventional pumping mechanism. It is comprised of cylindrical piston housing, a pump shaft running through the piston housing, a piston linkage assembly secured to the p... | 08/29/1989 |
| 4824332 | Reversible pump assembly A windshield washer pump including comprising an impeller chamber having a reversible impeller rotatably mounted therein and an inlet for windshield washer fluid communicating therewith. Dual outlets communicate between the impeller chamber and opposite e... | 04/25/1989 |
| 4800800 | Fluid pressure translating device A fluid pressure translating device comprising a housing with a pumping mechanism therein including a rotary cylinder barrel having a plurality of cylinders with pistons slidable therein operatively associated with a cam block, each cylinder having a port... | 01/31/1989 |
