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Class Information
Number: 188/292
Name: Brakes > Internal-resistance motion retarder > Using a rotary-type fluid damper > Gear pump
Description: Device wherein said moving mechanism is connected to a gear-like element having teeth on the circumference thereof, said first member is connected to another gear-like element having similar teeth, and the teeth of both elements mesh with each other, whereby as one element turns in one direction the other turns concurrently in an opposite direction.

Patents under this class:

Patent Number Title Of Patent Date Issued
8528709 Hydrodynamic machine, especially hydrodynamic retarder Sep. 10, 2013
7316303 Force-controlling mechanical device Jan. 8, 2008
6352143 Vibration damping system using a hydraulic damper with a field responsive fluid control Mar. 5, 2002
5566795 Braking system for a rail car Oct. 22, 1996
5558187 Brake apparatus for a rotating shaft Sep. 24, 1996
5373921 Hydraulic gearwheel brake pump Dec. 20, 1994
5325944 Apparatus and method for braking a vehicle Jul. 5, 1994
5036937 Exercise vehicle Aug. 6, 1991
4967444 Device for damping the closing movement of a dual door spring-loaded or closure and closure control therefor Nov. 6, 1990
4744443 Hydrodynamic retarder May. 17, 1988
4728098 Rotating playground equipment assembly Mar. 1, 1988
4626044 Hydraulic brake for vehicles Dec. 2, 1986
4241814 Mechanical-hydraulic damper for a load subject to shocks and vibrations Dec. 30, 1980
4214652 Variable power transmission and absorption device Jul. 29, 1980
4005730 Brake means for an air-powered sprinkler system Feb. 1, 1977
3946989 Slow descender including fluid and mechanical braking devices Mar. 30, 1976

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