Electrohydraulic tilting device for a vehicle with a tilting cab

Details Electrohydraulic tilting device for a vehicle with a tilting cab Electrohydraulic tilting device for a vehicle with a tilting cab

1997-02-06

1998-11-24

Nguyen, Hoang

Power plants

Pressure fluid source and motor

Apparatus having means responsive to or ameliorating the...

60431, 60477, 296107, F16D 3102

Patent

active

058392785

ABSTRACT:
An electrohydraulic tilting device for a vehicle with a tilting cab has a pump, an electric pump drive motor connected by way of an electrical connecting line to a source for electrical energy, and a hydraulic piston/cylinder unit connected to the pump. The piston/cylinder unit is designed for exerting a force which is capable of tilting the cab forward and back. An overcurrent protection device is provided which is designed for automatic interruption and subsequently maintaining the interruption of the electrical power line of the pump motor when the electrical power taken up by the pump motor for a predetermined period exceeds a first threshold value which is higher than the maximum electrical power required during normal tilting of the cab. The overcurrent protection device is provided with manual reset means for ending the interruption of the power line.

REFERENCES:
patent: 3761123 (1973-09-01), Neill et al.
patent: 4410924 (1983-10-01), Hewitt et al.
patent: 4746097 (1988-05-01), Chung et al.
patent: 4881371 (1989-11-01), Haeder et al.
patent: 5117632 (1992-06-01), Strenzke
patent: 5528444 (1996-06-01), Cooke et al.
Applicant's Exhibit A, PCT Report Concerning Novelty Search of International Type NL Application No. 1002460, dated Oct. 2, 1996.

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