Hydraulic apparatus
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United States of America Patent
Stats
-
Dec 31, 1985
Grant Date -
N/A
app pub date -
May 4, 1982
filing date -
May 4, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydraulic apparatus is provided which comprises a liquid-pulse generator, and hydraulic motor connected to said generator by a flexible pipe. The motor is driven by liquid pulses provided by the generator via the pipe. The pulses form standing waves within the pipes with a certain wavelength. In order to insure an efficient energy transfer, the length of the pipe is an odd multiple of the quarter-wavelength.
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