Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...
Patent
1989-07-03
1990-09-11
Wolfe, Willis R.
Internal-combustion engines
Engine speed regulator
Having condition responsive means with engine being part of...
123357, 123365, 414699, F02M 3900
Patent
active
049553445
ABSTRACT:
A controller having an up/down switch for changing the rotational speed of a prime mover such as an engine, an actuator such as an electric motor for driving a governor on the basis of the operation of the up/down switch so as to control the rotational speed of the prime mover. A target speed is calculated on the basis of the operation of the up/down switch, and the prime mover speed is controlled by using the calculated value. Another switch is provided to immediately shift the prime mover speed to a speed previously set as desired. This shift switch is used to control the prime mover so that the prime mover rotates at the set speed, and this speed is adjusted by operating the up/down switch.
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Egashira Masaki
Hirata Toichi
Tatsumi Akira
Tomikawa Osamu
Watanabe Hiroshi
Hitachi Construction Machinery Co. Ltd.
Wolfe Willis R.
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