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| Number | Title | Issue Date |
| 8123494 | Rolling bearing unit for supporting a wheel with an air compressor A wheel-supporting roller-bearing unit with air compressor that is compact and capable of keeping resistance against the rotation of the hub 4c low while at the same time maintaining good balance, and when necessary, is capable of obtaining compressed ... | 02/28/2012 |
| 8052400 | Air supply apparatus An air supply apparatus (A) includes an air pump capable of supplying compressed air to an air chamber (a tire air chamber (Ra) of a wheel (B)) on the basis of rotation of the wheel (B); a change valve provided outside a pump chamber (Ro) of the air pump and adapted... | 11/08/2011 |
| 7922459 | Pressure generation device A pressure-generating device includes an axle hub having a rotary shaft portion supported rotatably in a nonrotatable cylindrical support portion via bearings; a piston attached to the rotary shaft portion in a unitarily rotatable manner and so as to perform a pumpi... | 04/12/2011 |
| 7322392 | Tire pump A tire pump includes a passive air pump which is attachable to a component of a vehicle wheel assembly. The vehicle wheel assembly has a vehicle wheel, a tire valve stem attached to the vehicle wheel, and a tire mounted on the vehicle wheel and containing a gas. The... | 01/29/2008 |
| 7245042 | Auxiliary wind energy generation from a wind power generation apparatus A wind energy generator has a generator having a shaft extending therefrom, a plurality of blades interconnected to the shaft so as to be rotatable by the action of wind energy, and an elongate chamber cooperative with the shaft such that the chamber rotates relativ... | 07/17/2007 |
| 7157835 | Oscillating-type generator An oscillating-type generator is provided in which an impact member impacts piezoelectric elements to generate electricity and which can efficiently increase the number of impacts and generate a large amount of electricity. This oscillating-type generator includes: ... | 01/02/2007 |
| 7126233 | Methods and apparatuses for generating electrical power in a rotating reference frame A method and apparatus for generating power in a rotating environment without access to the axis of rotation. A non-center engagement generator is implemented within the rotating reference frame of a vehicle wheel. Further, a method and apparatus detect a potential ... | 10/24/2006 |
| 7124789 | Automatic air feeding mechanism for pneumatic tires, and pneumatic tire connecting device To provide an automatic air supply mechanism for a pneumatic tire which can automatically supply air to a pneumatic tire by rotation of the pneumatic tire with respect to an axle when the air pressure in the pneumatic tire becomes a prescribed value or lower. There ... | 10/24/2006 |
| 7105939 | Electrical generator having an oscillator containing a freely moving internal element to improve generator effectiveness An apparatus and method for providing electrical energy to an electrical device by deriving the electrical energy from motion of the device. In one embodiment, the inventive apparatus includes a novel kinetic electrical power generator (KEPG) consisting of an invent... | 09/12/2006 |
| 7059372 | Assembly for inflating a tire An assembly for inflating a tire includes a pump assembly that includes a housing having an air inlet and an air outlet. A conduit is fluidly coupled to the air outlet. The housing has a first end wall, a second end wall and a peripheral wall. A bracket is attached ... | 06/13/2006 |
| 7055466 | Control system for a portable instant hot water heater A portable instant water heater. Water is delivered to a base unit of the instant hot water heater by a pump that draws water from a reservoir through a flow control valve. The water flows into a pre-heater that wraps around a base of the burner and that is heated b... | 06/06/2006 |
| 7013931 | Device for inflating vehicle tires A device is disclosed for pumping the tire of a vehicle while the vehicle is travelling. The device is mounted on the wheel axle and, apart from a hanging counterweight (226) which remains stationary, the entire device rotates with the axle and wheels. Tire p... | 03/21/2006 |
| 6994136 | Wheel end tire air pump A wheel end assembly includes a self-contained air pump mechanism that maintains tire pressure at a desired level. The pump mechanism includes a piston and cylinder assembly that rotate with the tire. A linkage assembly drives the piston within the cylinder as the w... | 02/07/2006 |
| 6951072 | Barrel mounted foldout gunrest hook A barrel bracket in the form of a split ring is secured adjustably to a gun barrel at any point on the barrel and at any desired angle of orientation. A hook pivotally attached to the ring has a sharp point for piercing external structures, such as trees, fences, or... | 10/04/2005 |
| 6744356 | Tire pressure maintenance and monitoring system A generator system powered by a fluid fly-wheel is disclosed that generates electric current to power a tire pressure maintenance and monitoring system. A vehicle wheel including a tire and a rim. A sealed tube containing fluid is fixed around the rim. When the rim ... | 06/01/2004 |
| 6544005 | Diaphragm for a diaphragm pump A diaphragm for a diaphragm pump is in the form of a vehicle tire. The vehicular tire has a first mounting face, a second mounting face and a circumferential tread portion positioned between first mounting face and the second mounting face. A first sealin... | 04/08/2003 |
| 6210125 | Water system with both electric motor power and manual pedal power, for a reciprocating pump A water system includes a reciprocating pump operated by pedal and motor delivered solar power, including one-way engagement clutch elements preventing hazardous pedal movement and potential motor damage. The pumpstand includes a housing in which a foot p... | 04/03/2001 |
| 5947696 | Wheel mounted tire pump with a reciprocating piston A tire pump mounted upon a wheel includes a reciprocating piston driven by one of a pendulum assembly or flywheel.... | 09/07/1999 |
| 5941692 | Tuned resonant oscillating mass inflation pump and method of extracting electrical energy therefrom Disclosed is a tuned resonant oscillating mass pump, and particularly a pump structure and assembly which can be conveniently and readily mounted inside automotive tires for the purposes of maintaining optimum tire pressure and generating of electrical po... | 08/24/1999 |
| 5934882 | Electrical generator system having a tuned resonant oscillating mass A tuned resonant oscillating mass pump is shown, and particularly a pump structure and assembly which can be conveniently and readily mounted inside automotive tires for the purposes of maintaining optimum tire pressure and generating of electrical power ... | 08/10/1999 |
| 5772405 | Water system with a pedal powered reciprocating pump A water system includes a reciprocating pump operated by pedal power. The pumpstand includes a housing in which a foot pedal and a drive shaft rotate. An eccentric pin, rotating with the drive shaft, moves a connecting rod, which in turn causes a pushrod ... | 06/30/1998 |
| 5707215 | Tuned resonant oscillating mass inflation pump and method of extracting electrical energy therefrom Disclosed is a tuned resonant oscillating mass pump, and particularly a pump structure and assembly which can be conveniently and readily mounted inside automotive tires for the purposes of maintaining optimum tire pressure and generating of electrical po... | 01/13/1998 |
| 5667606 | Tire pressurizing and regulating apparatus An apparatus for pressurizing a pneumatic tire mounted on a vehicle wheel which includes a displacement type air pump having a spring loaded piston and cylinder combination for generating air under pressure. The air pump is axially attached to the vehicle... | 09/16/1997 |
| 5591281 | Flywheel tire inflation device A device for automatically maintaining desired air pressure within a vehicle tire utilizes inertial forces from changes in vehicle speed. The device includes a flywheel attached to and concentric with the vehicle wheel but free to rotate relative the whee... | 01/07/1997 |
| 5558730 | Vehicle wheel including self-inflating tire pump A self-inflating tire pump is integrally fixed to a wheel of a vehicle for automatically pumping air into an inflation region of a tire which is mounted on the wheel. The pump includes a piston which is movable radially outward in a cylinder by centrifuga... | 09/24/1996 |
| 5556489 | Wheel-mounted tire inflator This invention pertains to the maintenance of pressure within a vehicle wheel tire to a pre-set level with the air supply being produced by a pump which is driven by centrifugal force, i.e., the wheel rotation creates a centrifugal force which activates a... | 09/17/1996 |
| 5452753 | Vehicle tire management system including wheel with self-contained tire inflation/deflation apparatus A high pressure air reservoir, a pump unit and an air pressure sensor are provided on each wheel of a motor vehicle. The sensor senses the air pressure in a tire which is mounted on the respective wheel. The pump unit is controllable to selectively pump a... | 09/26/1995 |
| 5409049 | Tangential tire pressurizing and regulating apparatus Apparatus for harnessing and utilizing, inter alia, gravitational and centrifugal forces generated at a location eccentric from the axis of rotation of a rolling wheel. The apparatus includes pumps that can be attached in a tangential relationship to a pa... | 04/25/1995 |
| 5397144 | Bicycle operated air pump An air pump for use with a chain-driven bicycle having a free wheel. The pump assembly comprises a pair of opposed cylinders and a double-ended piston rod mounted in a housing. The piston rod has a bearing slot, which engages a crank pin on a crankshaft d... | 03/14/1995 |
| 5355924 | Vehicle wheel including self-inflating mechanism A reservoir is formed in a wheel of a vehicle for storing high pressure air for inflating a tire mounted on the wheel. A regulating valve communicates the reservoir with the tire when the air pressure in the tire drops below a predetermined value to maint... | 10/18/1994 |
| 5342177 | Tire automatic pneumatic pump device An automotive bicycle tire pump is disclosed in which a cylinder and piston assembly rotates with the wheel rim and tire. The piston is reciprocated by contact with a stationary cam to provide pressurized air to the tire. When the proper tire pressure is ... | 08/30/1994 |
| 5323688 | Hydraulic regenerative braking and four wheel drive system A hydraulic system including hydraulic units serving as wheel motors and pumps is disclosed. The hydraulic units include a stationary member supporting cylinders with piston assemblies reciprocating therein. The piston assemblies have bodies and follower ... | 06/28/1994 |
| 5318317 | Bicycle operated air pump An air pump for use with a chain-driven bicycle having a freewheel. The pump assembly comprises a pair of opposed cylinders and a double-ended piston rod mounted in a housing. The piston rod has a bearing slot which engages a crank pin on a crankshaft whi... | 06/07/1994 |
| 5226801 | Shock absorber type compressor The present invention relates to a shock absorber pump/compressor which comprises attachments to the car's chassis and to the wheel axle housing; a rack gear that is set into a reciprocating motion as the car runs on the uneven surface of the road; a pini... | 07/13/1993 |
| 5201968 | Tire pressuring and regulating apparatus Apparatus for harnessing and utilizing, inter alia, cyclic forces generated at a location eccentric from the axis of rotation of a rolling wheel. The apparatus may include, for example, pumps that can be attached to the valve stem of an automobile wheel i... | 04/13/1993 |
| 5052456 | Device for deflating a tire when rotating In order to provide for the deflation of a tire, there is provided an orie in the rim of a wheel, a pusher element extending through the rim in a gas tight manner, the pusher element having one end communicating with gas pressure inside the tire and incl... | 10/01/1991 |
| 4922984 | Inflation and deflation of a tire in rotation To assure inflation of a tire 2 during its rotation, a hose 3 is placed on he inside periphery of rim 1. A pressure roller 5, solid with the wheel carrier and therefore non-rotatable, causes a local reduction in the section of hose 3. During rotation of ti... | 05/08/1990 |
| 4834620 | Low horsepower apparatus and technique for raising liquid above the static surface level thereof To achieve a flywheel effect and lower the power necessary to drive it, a float pump is modified and put to use in such a way that one-half of the stroke of the pump is powered by the negative or positive buoyancy of the system of reciprocating components... | 05/30/1989 |
| 4663935 | Energy storage and retrieval system for a vehicle A vehicle having a plurality of ground engaging wheels has included, in at least one of said wheels, a hydraulic pump/motor device. The hydraulic fluid for the pump/motor device is stored in a toroidal tire portion of the wheel while the pump/motor is dis... | 05/12/1987 |
| 4651792 | Automatic tire pressurizing system A tire pressurizing system is provided for automatically pressurizing a pneumatic tire. The system employs centrifugal force to actuate a pump which is attached to the interior of the tire. Centrifugal force causes a pump actuating member to follow a diff... | 03/24/1987 |
