An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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 |
| 7271561 | Fan module and control device thereof Fan module and control device thereof. The fan module comprises a plurality of fans and the control device. The control device comprises a temperature sensing circuit, and a driving circuit. The temperature sensing circuit detects an ambient temperature of the fans ... | 09/18/2007 |
| 7206176 | Circuit and method for protecting against overload of an electric motor The invention relates to a circuit (1) for protecting against overload of an electric motor (2), more particularly an electrically powered air blower for a vehicle, with the purpose of providing sufficient and appropriate protection even when several e... | 04/17/2007 |
| 7105969 | Two speed electric motor with link wound dual-commutator and dual-armature winding A permanent magnet D.C. electric motor includes a stator housing, permanent magnet structure, and an armature assembly. The armature assembly includes a shaft rotatably mounted in the stator housing, lamination structure, first and second coil windings associated wi... | 09/12/2006 |
| 7095188 | Serial fan set and rotation speed-matching curve generation method thereof A serial fan set and rotation speed-matching curve generation method thereof are provided. The serial fan set comprises a rotation speed control module, a first fan and a second fan, in which the rotation speed control module is used to receive the power signal and ... | 08/22/2006 |
| 7088062 | Electronic variable speed control of dual motor configuration A dual motor configuration 10 includes a primary brushless motor 18 electronically controlled to be driven at various speeds throughout a range of motor speeds. A secondary brush motor 24 electronically controlled be driven at various speeds thr... | 08/08/2006 |
| 7049760 | Camera flash circuit using a piezoelectric transformer to trigger firing of the camera flash tube A camera flash circuit employing a piezoelectric transformer in the flash trigger circuit, the piezoelectric transformer having input terminals coupled to the main flash voltage storage capacitor and an output terminal coupled to the flash trigger terminal on the fl... | 05/23/2006 |
| 6933687 | Dual motor configuration with primary brushless motor and secondary integrated speed control motor A dual motor configuration 10 is provided for driving two fans for moving air to cool an engine. The dual motor configuration includes a primary brushless motor 18 constructed and arranged to be electronically controlled to drive a first fan 16 ... | 08/23/2005 |
| 6522096 | Control circuit for a robot power supply A mechanism controller for controlling power to motors of a mechanism having several motors, such as a robot. Each motor has a resolver for indicating the motor position. A driver unit is associated with each motor to supply power to the motor. Each drive... | 02/18/2003 |
| 5867005 | AC motor winding circuit A winding circuit for use with different input signals includes a first main winding, a second main winding, and an auxiliary branch having an auxiliary winding permanently and serially connected to a capacitor. The windings and auxiliary branch are alter... | 02/02/1999 |
| 5384520 | Balanced drive motors with cross-coupled excitation Balanced-drive multiple motors each including an armature rotatably actuated by a field winding. Cross-coupled series excitation of the field windings is accomplished by electrically connecting the field winding of each motor in series with the armature o... | 01/24/1995 |
| 5371445 | Switching device for controlling two electric motors at different speeds A system, which may be a cooling system for a motor vehicle engine, has two direct current motors together with switching circuits which provide selective connection of the windings of the two motors to a direct current voltage source in such a way as to ... | 12/06/1994 |
| 5216343 | Motor construction and method for limiting spin-up time in a hard disk drive A hard disk drive having a plurality of disks mounted on the rotor of a current limited, electronically commutated dc motor. Windings on the stator of the motor are divided into serially connected run and start sections and first and seconds drive circuit... | 06/01/1993 |
| 4988930 | Plural motor fan system with improved speed control A two motor assembly for driving two fan blades to move air through a heat exchanger comprising a first two speed DC motor comprising magnets for establishing a fixed magnetic field, an armature rotor rotatable to drive a first fan blade, a multiplicity o... | 01/29/1991 |
| 4520299 | Turning speed controller for electric vehicles having dual drive motors The invention disclosed provides a control system for an electric vehicle which automatically slows the vehicle during a turn and causes it to be increasingly slowed as the sharpness of the turn increases. The invention includes means for regulating the f... | 05/28/1985 |
| 4505301 | Liquid mixing valve A mixing valve for mixing a first liquid with a second liquid. A control handle allows an operator to control both the ratio of the two liquids in the mixture and the flow rate of the mixture. A spherical guide body is rotatably disposed within an inside ... | 03/19/1985 |
| 4472663 | Failure protection circuit for a two-motor lift truck An electrically operated dual motor drive system having first and second reversible traction motors (14, 16) driven by a power source (18). Motor control circuitry (10, 12) for controlling the direction of current flow through the motors (14, 16) is desig... | 09/18/1984 |
| 4160938 | Motor drive apparatus A motor drive apparatus has G groups (Gࣙ2) of m-phases inverter units and G groups (Gࣙ2) of m-phases AC windings for feeding through the m-phases inverter units to the m-phases AC windings and G groups (Gࣙ2) of DC power sources which are connected t... | 07/10/1979 |
| 4054817 | Pulse controllers A thyristor pulse controller in which current supply to each of a plurality of d.c. loads is controlled by respective main thyristors and a single commutating capacitor common to all the main thyristors is provided, the capacitor being connected across th... | 10/18/1977 |