Power plants – Pressure fluid source and motor – With control means for structure storing work driving energy
Patent
1987-05-22
1988-03-22
Garrett, Robert E.
Power plants
Pressure fluid source and motor
With control means for structure storing work driving energy
60405, 60487, F15B 104
Patent
active
047319976
ABSTRACT:
In a system with an energy storing and releasing device the latter comprises a high pressure accumulator and switching over device for the charging and discharging of the latter from and to a low pressure accumulator using a hydraulic transducer which is connected with a device able to provide and take up power. The switching over device consists of four 2/1 way shut off valves of which two respective ones are placed in parallel and connected with a respective accumulator. The 2/1 way shut off valves are so connected with the hydraulic transducer that by paired switching of a respective one of the two 2/1 way shut off valves associated with one accumulator either the one or the other accumulator may be connected with the power input of the hydraulic transducer and switching over may take place from the power output of the latter to the other accumulator. By the use of simple 2/1 shut off valves the switching over device is generally simplified to a substantial extent.
REFERENCES:
patent: 3204573 (1965-09-01), Mercier
patent: 3496879 (1970-02-01), Brandes
patent: 3971215 (1976-07-01), Baron et al.
patent: 4142368 (1979-03-01), Mantegani
patent: 4215545 (1980-08-01), Morello et al.
Garrett Robert E.
MAN Nutzfahrzeuge GmbH
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