Overrun protecting control system for hydrostatic-mechanical tra

Details Overrun protecting control system for hydrostatic-mechanical tra Overrun protecting control system for hydrostatic-mechanical tra

1995-02-28

1996-06-11

Nguyen, Hoang

Power plants

Pressure fluid source and motor

Condition responsive control of pump or motor displacement

60449, 60492, 475 76, F16D 3102, F16H 4704

Patent

active

055244360

ABSTRACT:
The maximum value of target motor speed ratio is calculated from the allowable revolution speed of a motor, and based on the maximum value, an allowable value of target speed ratio is set. Target speed ratio is then limited to the allowable value or less. This enables it to prevent overrun occurring e.g., when the vehicle rolls down a hill.

REFERENCES:
patent: 4519274 (1985-05-01), Maruyama et al.
patent: 4895049 (1990-01-01), Kita et al.
patent: 4976664 (1990-12-01), Hagin et al.
patent: 5341311 (1994-08-01), Liebler
patent: 5406793 (1995-04-01), Maruyama et al.
patent: 5473895 (1995-12-01), Bausenhart et al.

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