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Patent No. 5285430

Behavior Modification Wristwatch

A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.

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Class 60/463 - Sensor of external condition controls valve


Subclass of Class 60 - Power plants
Definition: Apparatus in which the externally operated multiway valve
No. of patents: 12
Last issue date: 05/29/2007


NumberTitleIssue Date
7222444Coordinated linkage system for a work vehicle
A work vehicle with a tool pivotally attached to a linkage, an actuator for controllably moving the tool about its pivot, and a tilt angle sensor for sensing the absolute angle of the work tool relative to the earth. A controller is adapted to perform an auto-hold f...
05/29/2007
7047733Compact electro-hydraulic generator to motorize cupola
The present invention divulges a particularly compact electro-hydraulic generating set and its application in combination with a compact actuator to pilot the traverse movement of a close cupola head assembly or of one or several offset cupola head assemblies.
05/23/2006
7000641Inflatable stopping bags
A method of controlling the fluid pressure of an inflatable stopping bag used to block the fluid flow through a fluid conduit comprises pressurising the bag using a pressure regulator which operates to regulate the pressure of the bag as a function of the instantane...
02/21/2006
5305681Hydraulic control apparatus
An apparatus for controllably actuating a hydraulic actuator is provided. The apparatus is connected between a source of pressurized hydraulic fluid and the hydraulic actuator. The apparatus controllably provides pressurized hydraulic fluid to the hydraul...
04/26/1994
5218820Hydraulic control system with pressure responsive rate control
A hydraulic control system for controlling the motion of a double acting hydraulic actuator determines the flow to and from the actuator in accordance with 1. the desired movement of the actuator 2. the measured hydraulic pressures on opposite sides of the pis...
06/15/1993
5105719Stroke control device with torque responsive motive fluid control
A stroke control device having a servomotor, a hydraulic cylinder having a piston, a ball-thread mechanism coupling the servomotor with the piston, and a hydraulic circuit including pressure control valves for driving the hydraulic cylinder. Further it ha...
04/21/1992
5029513Variable-orifice, servo-solenoid valve for a variable-assist power steering system
A power steering system for a wheeled vehicle comprising a fluid motor connected to dirigible wheels of the vehicle, a power steering pump and a steering valve structure situated in flow delivery and flow return passages that connect the pump with the flu...
07/09/1991
5012898Control system for vehicle lift racks
A control system for the hydraulic operating circuit associated with a vehicle lifting device in which the circuit is provided with pressure fluid control valves and flow sensors which are operative on the vehicle lowering cycle to establish substantial e...
05/07/1991
4753158Pilot hydraulic system for operating directional control valve
A pilot hydraulic system comprises a directional control valve having at least one pilot chamber for controlling the operation of a hydraulic actuator; and a pilot valve connected through a pilot line to the pilot chamber of the directional control valve ...
06/28/1988
4410058Vehicle steering apparatus
An improved power steering apparatus includes a pressure modulation assembly which modulates the fluid pressure transmitted from a power steering control valve to a power steering motor. The modulation assembly varies the fluid pressure output from the st...
10/18/1983
4274474Hydraulic control and drive device for rotary heat exchanger
A rotary regenerator is provided with a hydraulic drive system to vary the rotational speed in relation to the temperature scanned. The hydraulic control system provides accurate operation at low rotational speeds....
06/23/1981
4081054Hydraulic steering with feedback
The invention is concerned with an improvement in a hydraulic steering system for an articulated vehicle of the type which comprises a main steering valve system which directs fluid introduced thereto from a fluid source to a steering motor system respons...
03/28/1978
 
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