Quotables
"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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 |
| 8117836 | Scroll type fluid machine and air suspension apparatus using the same A pressure keeping mechanism is provided downstream of a discharge port of a compressor. The pressure keeping mechanism is set to a small flow path area having only a bypass orifice until a pressure in a downstream pipe reaches a predetermined pressure after the ope... | 02/21/2012 |
| 7698890 | Propulsion system A propulsion system. An illustrative embodiment of the propulsion system includes a drive shaft, a flywheel drivingly engaged by the drive shaft, a turbine unit having a plurality of turbine blades drivingly engaging the drive shaft and an air manifold having a plur... | 04/20/2010 |
| 7368827 | Electrical assembly for monitoring conditions in a combustion turbine operating environment An electrical assembly for use in various operating environments such as a casing of a combustion turbine 10 is provided. The assembly may include an electrical energy-harvesting device 51 disposed in a component within the casing of the turbine to con... | 05/06/2008 |
| 7313974 | Support for electrical/electronic structure and/or electrical power supply structure for a hand dynamometer tool, in particular for a torque wrench operating by breaking mechanical equilibrium A support is for supporting electrical and/or electronic structure and/or electrical power supply structure for a hand dynamometer tool, in particular for a torque wrench operating by breaking mechanical equilibrium. A body of a substantially cylindrical shape that ... | 01/01/2008 |
| 7315089 | Powertrain system comprising compressed air engine and method comprising same A powertrain system comprises a compressed air supply apparatus, a compressed air engine, a rotary power conversion apparatus and an electrical power conversion apparatus. The compressed air engine is configured for extracting energy from compressed air. The compres... | 01/01/2008 |
| 7254943 | Arrangement and method for coupling an air compressor to the driving shaft of an internal combustion engine An arrangement and method for coupling an air compressor to the driving shaft of an internal combustion engine that is used as the drive engine of a vehicle, wherein the air compressor supplies a pneumatic device. The arrangement contains a controllable turbocouplin... | 08/14/2007 |
| 7218009 | Devices, systems and methods for generating electricity from gases stored in containers under pressure A breathing system includes a container to store a gas under pressure, wherein the gas includes air or oxygen. The container includes an outlet through which the gas exits the container. The breathing system further includes a generator system including a generator ... | 05/15/2007 |
| 7095142 | Pneumatic tool with integrated electricity generator A rotor for a pneumatic tool having electricity-generating capabilities includes a shaft and an integral rotor body. The rotor body includes recesses dimensioned to receive an insulated subassembly having a magnet received within a nonmagnetic insulator to allow flu... | 08/22/2006 |
| 7070204 | Programmable gas generator using microcells A programmable gas generator which has a plurality of different elements can be individually activated, and wherein the activation causes inflation of a device. ... | 07/04/2006 |
| 7043905 | Gas energy conversion apparatus and method An apparatus having a pressure control system that balances the natural gas flow rate passing through a multi-stage, axial-flow, impulse turbogenerator to produce an electrical power output is provided. The pressure control system includes a primary bypass conduit c... | 05/16/2006 |
| 7017342 | Air compressor and control method therefor An air compressor includes a tank unit storing a compressed air used by a pneumatic tool, a compressed air generator which generates the compressed air and supplies the compressed air to the tank unit, a motor driving the compressed air generator, a drive portion in... | 03/28/2006 |
| 6907727 | Gas energy conversion apparatus and method An apparatus having a pressure control system that balances the natural gas flow rate passing through a multi-stage, axial-flow, impulse turbogenerator to produce an electrical power output is provided. The pressure control system includes a primary bypass conduit c... | 06/21/2005 |
| 6851259 | Inflatable ablation gas cell structure system An inflatable structure includes a plurality of inflation cells each have a respective internal gas generator connected to an external control processor for sequential inflation of the inflatable structure. Power and control lines feed through the inflation cells fo... | 02/08/2005 |
| 6823670 | Inflatable evaporation gas cell structure system An inflatable structure includes a plurality of inflation cells each have a respective internal gas generator connected to an external control processor for sequential inflation of the inflatable structure. Power and control lines feed through the inflation cells fo... | 11/30/2004 |
| 6817176 | Inflatable gas cell structure deploying method An inflatable structure includes a plurality of inflation cells each have a respective internal gas generator connected to an external control processor for sequential inflation of the inflatable structure. Power and control lines feed through the inflation cells fo... | 11/16/2004 |
| 6658972 | Full force web severer A first given pressure is provided to a first side of an air pressure cylinder that in turn drives a cutting member under the influence of the first given pressure. A second given pressure is provided to a second side of the air pressure cylinder that is ... | 12/09/2003 |
| 6625980 | Overpressure control circuit for vehicle pneumatic system The invention creates a vehicle pneumatics overpressure regulating circuit 1 of a supply device of a pneumatic consumer 5 in a vehicle with an operating pressure. The overpressure circuit 1 has a compressed air source 3, which furnishes compressed air for... | 09/30/2003 |
| 6519938 | Recording and controlling pneumatic profiles The pneumatic power system of this invention is a process that measures at very high resolution the pressure and/or rate of flow profile at various points throughout the pneumatic circuitry of a piece of pneumatic equipment in a manufacturing environment.... | 02/18/2003 |
| 6360535 | System and method for recovering energy from an air compressor A system and method for recovering energy from compressed air. The system and method a microprocessor based control module to monitor compressor discharge pressure and determine the need to bypass gas. Excess compressed air is bypassed to an energy recove... | 03/26/2002 |
| 6295913 | Air operated hydraulic torque wrench pump A hydraulic pump assembly (10) for powering a hydraulic torque wrench (24) is air-powered and has hydro-pneumatic control circuitry (39) which continues operation of an air motor (18) which drives the hydraulic pump (16) for a post-advance period after an... | 10/02/2001 |
| 5782158 | Air operated hydraulic torque wrench pump A hydraulic pump assembly for powering a hydraulic torque wrench is air-powered and has hydro-pneumatic control circuitry which continues operation of an air motor which drives the hydraulic pump for a post-advance period after an advance actuator is deac... | 07/21/1998 |
| 5724811 | Optimized gas-based transmission A gas-based transmission which has a self-regulating mechanical advantage that is continuously--and, essentially, infinitely variable. A high-pressure reservoir receives either exhaust gas from an engine or air from a compressor that is run by the drive s... | 03/10/1998 |
| 5553454 | Compressed air engine system and method for generating electrical energy from the controlled release of compressed air A system and method is provided for generating electrical energy by operatively connecting a generator to a drive shaft which is rotated axially when fan turbines connected to the drive shaft are rotated. The turbines are rotated by directing the release ... | 09/10/1996 |
| 5517821 | Pneumatic control circuit for applying constant force An air lifting and balancing unit including a cylinder, a piston in the cylinder, a ball screw affixed to the piston, a ball nut mounted for rotation on the ball screw, a drum mounted on the ball nut, a chain driven by the drum, and centrifugally actuated... | 05/21/1996 |
| 5479777 | Torque and speed control methods and apparatus for pneumatic motors Apparatus and methods to facilitate alteration of the torque and speed characteristics of a pneumatic motor to reduce start-up reaction torque and minimize run-on time after disconnection of the motor from a source of pressurized gas. A series connected a... | 01/02/1996 |
| 5463865 | Starter air valve position pressure transducer A pressure transducer adapted to measure the position of a pneumatic valve by measuring pressure immediately downstream of a valve restrictor (e.g. a valve plate or butterfly plate) and comparing that pressure with a pressure measured at a second measurem... | 11/07/1995 |
| 5377578 | Torque control system An air tool torque control system includes a controller operative to independently control two air tools with continuous programmed adjustment of the torque shut off point for each tool after each fastener joint is made. The torque specification is measur... | 01/03/1995 |
| 5113655 | Apparatus and method for removing liquid condensate from a compressed-air system An apparatus and method are disclosed for the simple removal of liquid condensate, in particular of water of condensation, from compressed-air systems alternately subjected in operation to positive pressure and atmospheric pressure. The compressed-air sys... | 05/19/1992 |
| 4921009 | Torque control system A system for controlling the amount of torque applied by a hand-held power tool to fasteners during an assembly of parts. In the preferred embodiment, a torque control circuit is operated by air to deliver a selected volume of air under selected pressure ... | 05/01/1990 |
| 4811562 | Adjusting drive A compact electric adjusting drive for locking systems, fan flaps or the like in motor vehicles includes a fluidic force transmission system between the electric motor and the adjusting element movable to and fro between two end positions.... | 03/14/1989 |
| 4805404 | Portable pneumatic machine having embodied control electronics A portable pneumatic machine is provided including an incorporated electronic circuit for controlling and monitoring the operation, which circuit is fed with current delivered by an electric generator rotated by the driving pneumatic air, the electric gen... | 02/21/1989 |
| 4510846 | Pneumatic actuator device A closed center four-way poppet actuator control device is incorporated into a pneumatic actuation system for controlling the movement of flight surfaces. The closed center four-way poppet actuator control device has a housing, a pair of two-way poppet va... | 04/16/1985 |
| 4426845 | Noise reduction in pneumatically drive hydraulic pump Disclosed is a method and apparatus for reducing the level of noise emitted by air turbine machinery, particularly a pneumatically driven hydraulic pump for an airplane, wherein a modulating valve meters the flow of air from a source of pressurized air th... | 01/24/1984 |
| 4420139 | Device for remote control an actuator of a shut-off member A device for remote control of actuator of a shut-off member comprises an autonomous source of energy and a distributor connected therewith. The autonomous source of energy is fashioned as two units, each unit containing at least two gas generators with i... | 12/13/1983 |
| 4412416 | Altitude compensated vacuum supply system and control An altitude compensating control system for a vacuum pump supplying a vehicle accessory vacuum supply system comprising, in a preferred embodiment, a dual diaphragm pressure switch spring biased in a closing direction to actuate the pump and having an amb... | 11/01/1983 |
| 4113080 | Torque wrench air shut-off A power tool for setting fasteners to a predetermined torque, having a novel shut-off means that automatically shuts off the power supply at a predetermined torque, but will not "hang up" in the off position.... | 09/12/1978 |
| 4060987 | Turbine drive system A turbine drive system for operating a vehicle, where the drive system includes a common drive shaft powered by a turbine, and is used for propelling the vehicle and also for operating an air compressor. The air compressor supplies air under pressure whic... | 12/06/1977 |
| 3950946 | Vacuum producing system A control system for a diaphragm vacuum pump comprises a vacuum sensor disposed within the vacuum chamber of a pneumatically operated device for detecting a predetermined vacuum pressure to ensure the effective operation of the device and generating an ou... | 04/20/1976 |
