Bizarre Patents
Safety System For Remove a Rider From a Vehicle by Deploying a Parachute
Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.
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 |
| 7208894 | Electric vehicle motor and control system with high efficiency regeneration The present invention is an electric vehicle power system that uses multiple permanent magnet motor/generators connected in series or parallel and multiple battery step switching. Motor, torque and speed are controlled by steps in series connection and then in paral... | 04/24/2007 |
| 6028403 | Vehicle control apparatus The present invention provides a downsized vehicle control apparatus which is capable of controlling two DC separately excited motors. An armature of a first motor, an armature of a second motor and an armature chopper element for controlling the drive of... | 02/22/2000 |
| 5162707 | Induction motor propulsion system for powering and steering vehicles A propulsion system for using a pair of electric induction motors to power a pair of vehicle drive wheels. The motors are driven by pulses of electric current from a common dc bus. The inductance of stator windings cause electric current to power the moto... | 11/10/1992 |
| 4259622 | Circuit arrangement for driving and for independent recuperation braking of a vehicle A circuit arrangement for the driving and for independent recuperation braking of a vehicle provided with DC compound traction motors, a DC feeding circuit, and pulse control for obtaining braking with so-called clean recuperation. The series windings of ... | 03/31/1981 |
| 4028597 | Motor control systems A battery-powered thyristor-controlled lift truck traction motor control system includes simple and economical means for providing plugging torque in a continuous or proportional manner. A dual-motor drive system disclosed allows series motors to be opera... | 06/07/1977 |
| 4010407 | Energy exchanger for an electrical vehicle An energy exchanger for a battery driven vehicle comprising two rotatable electrical machines connected on the same shaft, one of high voltage, the other of low voltage. The electrical machines can each be operated in generator or motor modes and the mach... | 03/01/1977 |
| 3970906 | Braking device for three-motor type tape recorder Various combinations of diodes and resistors are connected in parallel with the tape reel driving motors of a tape recorder, whereby the braking force on each motor can be controlled relative to the direction of motor rotation. Consequently, the running t... | 07/20/1976 |
