Pump motor combination for hydraulic treatment

Details Pump motor combination for hydraulic treatment Pump motor combination for hydraulic treatment

1975-09-22

1977-01-11

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Having assembly or repair structure

60DIG10, 417410, F15B 1518

Patent

active

040020290

ABSTRACT:
The invention is concerned with an improvement in a motor-pump assembly for operating a hydraulic implement, said assembly including a hydraulic pump for controlling flow of a hydraulic fluid to said hydraulic implement and an electric motor for driving said pump. The improvement comprises means for coaxially aligning a driving shaft of the motor with the driven shaft of the pump, means for directly drivingly engaging said driving shaft with said driven shaft and means for fixing said pump to said motor. The invention is particularly concerned with the case wherein said hydraulic implement comprises a hydraulic lift cylinder for adjusting the height of a fork carrying carriage of a lift truck, controlling the tilt of the lift truck mast and controlling power steering functions.

REFERENCES:
patent: 2680017 (1954-06-01), McLeod
patent: 3407598 (1968-10-01), Yokota
patent: 3702745 (1972-11-01), Segebrecht
patent: 3713749 (1973-01-01), Fitch

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