Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type
Patent
1976-09-15
1978-04-25
Cohan, Alan
Fluid handling
Self-proportioning or correlating systems
Supply and exhaust type
13762415, 13762411, F16K 31124
Patent
active
040857689
ABSTRACT:
A pressure fluid impulse converter for transforming primary pressure fluid impulses of a higher frequency into secondary pressure fluid impulses of a lower frequency, comprising a hydraulically actuated activating means arranged to cause a valve in a pressure fluid circuit to shift from a closed to an opened position and a positive displacement pump which is actuated by the primary pressure fluid impulses and arranged to feed motive hydraulic fluid to said activating means. The latter is thereby stepwise displaced from a rest position to a valve activating position.
REFERENCES:
patent: 3489155 (1970-01-01), Loveless
patent: 3965797 (1976-06-01), Grisebach
Atlas Copco Aktiebolag
Cohan Alan
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