Pneumatic starter for internal combustion engine
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United States of America Patent
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Jul 11, 1989
Issued Date -
N/A
app pub date -
Mar 14, 1988
filing date -
Sep 26, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A starter arrangement for an engine includes a fluid actuated rotary vane motor which is adapted to engage an associated engine. The rotary motor has a plurality of blades or vanes with each of the blades being made from a fiber reinforced plastic material to reduce friction. A sleeve, in which the rotary motor is positioned, has on its inner surface a hard metallic coating to reduce friction. A relay valve member selectively provides a pressurized operating fluid to the rotary motor. The blade material and the sleeve inner surface coating cooperate to enable the vane motor, when it is actuated by the relay valve member, to rotate in the sleeve with a minimum of friction thereby obviating the need for a lubricating agent.
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