Expansible chamber devices – With guide or seal on cylinder end portion for piston or...
Patent
1989-10-04
1991-02-12
Look, Edward K.
Expansible chamber devices
With guide or seal on cylinder end portion for piston or...
92 83, 92153, 277124, 277125, 277 75, 277103, 277 73, F16J 1518
Patent
active
049914952
ABSTRACT:
In order to increase the delivery pressure of the reciprocating pump-actuating mechanism of hydraulic feed pumps having a high pumping capacity, stacks of thin spacer discs are provided on either side of a sealing ring sealingly engaged in a sealing position between the plunger and the cylindrical bushing, said stacks of spacer discs being axially movable along the plunger in the normal non-sealing position. A pressure-distributing bushing is disposed between the stack of spacer discs which faces the free end face of the plunger and the sealing ring, said pressure-distributing bushing rapidly compensating the pressure between said stack of spacer discs and the end face of the pressure-distributing bushing facing the sealing ring.
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Durr Isabelle
Loegel Patrick
Loegel, Jr. Charles
Loegel, Sr. Charles
Reichert Sylvie
Denion Thomas
Look Edward K.
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