FIELD: engines and pumps.
SUBSTANCE: claimed ICE valve fluid drive comprises hydraulic cylinder body (1) secured at cylinder head to house piston (2) reciprocating therein and coupled with ICE valve (3), working medium feed and discharge channels (6) and (4). Piston (2) is composed of cylinder with web of smaller diameter at its mid part and has inner chamber (7) open at top section. Said web is provided with radial openings (8) communicating the piston inside (7) with feed channel (6). With piston (2) at BDC, its top cylindrical part overlaps said feed channel (6). Besides, this invention discloses the design version of the valve fluid control drive.
EFFECT: ruled out valve kicks against the piston, decreased noise in operation.
4 cl, 4 dwg
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