Hydraulic circuit for shaking a bucket on a vehicle

Details Hydraulic circuit for shaking a bucket on a vehicle Hydraulic circuit for shaking a bucket on a vehicle

1991-09-09

1993-08-17

Look, Edward K.

Power plants

Pressure fluid source and motor

Condition responsive control of pump or motor displacement

60452, 60468, 60494, 91461, F16D 3102

Patent

active

052358097

ABSTRACT:
A hydraulic system for a vehicle that includes an implement such as a bucket that is operated by a hydraulic actuator and a directional valve which controls flow from a load sensing variable displacement pump. A hydraulic bucket shake circuit is provided which is selectively operable to force the pump to a maximum displacement condition thereby providing standby pressure and flow to the directional valve so that the directional valve can be operated rapidly in order to shake the bucket and dislodge mud, clay and debris from the bucket or to allow penetration into frozen ground.

REFERENCES:
patent: 3203165 (1965-08-01), Parr
patent: 3834836 (1974-09-01), Hein et al.
patent: 4201052 (1980-06-01), Breeden et al.
patent: 4201502 (1980-05-01), Skendrovic
patent: 4407122 (1983-10-01), Nanda
patent: 4475442 (1984-10-01), Breeden
patent: 4480527 (1984-11-01), Lonnemo
patent: 4523430 (1985-06-01), Masuda

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