Hydraulically powered vehicle, and engine rotational speed...

Details Hydraulically powered vehicle, and engine rotational speed... Hydraulically powered vehicle, and engine rotational speed...

2005-09-13

2005-09-13

Batson, Victor (Department: 3671)

Excavating

Ditcher

Condition responsive

C180S306000, C060S490000, C172S003000

Reexamination Certificate

active

06941688

ABSTRACT:
During idling control with an acceleration switch ON, operation of the accelerator pedal is stopped. When stoppage of the operation of the accelerator pedal is detected for a predetermined time period, along with closing a slowdown switch, an idling changeover switch is changed over to its contact a. And the engine rotational speed is gradually slowed down by a command from a slowdown control section. On the other hand, when stoppage of the operation of an operation lever is detected for a predetermined time period, the idling changeover switch is changed over to its contact c. Due to this, the engine rotational speed is instantly controlled to the idling rotational speed.

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