Controlled series high-pressure intensifiers for hydraulic press

Details Controlled series high-pressure intensifiers for hydraulic press Controlled series high-pressure intensifiers for hydraulic press

1987-11-24

1990-05-15

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Having condition responsive control in a system of...

91193, 91275, 417265, 417346, F15B 300

Patent

active

049246712

ABSTRACT:
For the production and exact control and regulation of very high pressures, in particular for actuating a press, two pressure intensifiers are provided which each have a differential piston. The second pressure intensifier is connected via a shutoff valve to the first pressure intensifier and to the load or consumer. Both pressure intensifiers have a small volume compared with the volume required by the consumer. By activating the second pressure intensifier fluid can be exchanged between the consumer and the first pressure intensifier to replenish the first pressure intensifer in a pressure buildup phase and to empty the first pressure intensifier in a pressure relief phase.

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