Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1982-08-16
1985-02-26
Braun, Leslie A.
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
741905, B60K 4116, F16H 1500
Patent
active
045011729
ABSTRACT:
A constant output speed control arrangement for an infinitely variable transmission whose ratio of transmission is controllable by a hydraulic control fluid wherein the transmission output shaft has a fluid displacement pump associated therewith and connected to a control valve structure including a piston disposed in a cylinder and being movable by the control fluid from the pump against the force of a spring with a control passage extending through the piston and a control opening in the cylinder providing communication with a hydraulic ratio control structure in the transmission, the control opening being so arranged relative to the piston that the control opening is closed by the piston when the piston is moved against the spring force by an excess amount of control fluid supplied by the pump so as to cause a transmission ratio change for a decrease of the transmission output shaft, and the control opening is opened by the piston when the piston is returned by the spring for admitting an increased amount of control fluid to the transmission thereby causing an increase in the transmission output shaft speed.
REFERENCES:
patent: Re24892 (1960-10-01), Banker
patent: 2485126 (1949-10-01), Wood
patent: 4086820 (1978-05-01), Kraus
patent: 4369675 (1983-01-01), van Deursen
Bach Klaus J.
Braun Leslie A.
Excelermatic Inc.
Novais David
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