"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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 |
| 7017542 | Hybrid electric vehicle and method of selectively operating the hybrid electric vehicle A series type hybrid electric vehicle that controls an internal combustion engine, generator, and electric motor for reducing the load applied to the internal combustion engine when the internal combustion engine is restarted, lowers the thermal stresses to the inte... | 03/28/2006 |
| 6828702 | Brushless DC drive In a brushless direct-current drive with a synchronous motor (10), which has a stator (12) that supports a multi-phase stator winding (15) and a rotor (13) equipped with permanent magnet poles (20), and with a switch unit (11 | 12/07/2004 |
| 6202614 | Drive mechanism for a motor vehicle The invention relates to a drive assembly of a motor vehicle, having a internal combustion engine and an electrical machine coupled or capable of being coupled to a crankshaft of the engine, wherein the electrical machine can be switched to motor and gene... | 03/20/2001 |
| 6153942 | Starter/generator speed sensing using field weakening A starter cutoff control apparatus and method for a starter/generator used on an engine includes a circuit for detecting starter/generator armature current during an engine start operation, comparing the armature current to an armature current setpoint to... | 11/28/2000 |
| 4645939 | Automotive device for inhibiting engine ignition An automotive device for inhibiting engine ignition in response to operation of an ignition switch in a manner inconsistent with a prescribed routine which varies unpredictably. The device has two operational modes for impairment detection and theft deter... | 02/24/1987 |
| 4527071 | Modular power plant for the combined production of electrical and thermal energy and installation comprising a plurality of modular power plants A modular power plant comprises an internal combustion engine coupled to an electrical machine. The electrical machine may be used to start the engine and to generate electrical energy. The power plant is provided with an electronic control and protection... | 07/02/1985 |
| 4275311 | Control and protection system for an installation for the combined production of electrical and thermal energy A power-generating installation comprises a plurality of modular power plants each comprised of an internal combustion engine connected to an electric machine. The electric machine is used to start the engine and thereafter operates as a generator supplyi... | 06/23/1981 |
| 4119861 | Starting apparatus for gas turbine-generator mounted on electric motor driven motorcar A starting apparatus for a gas turbine-generator mounted on an electric motor driven motorcar includes a gas turbine and an A.C. generator with A.C. output terminals coupled directly to the turbine. A rectifier with D.C. output terminals is connected to t... | 10/10/1978 |