Title:
【発明の名称】エンジンおよび可変容量型油圧ポンプの制御装置
Document Type and Number:
Japanese Patent JP3351799
Kind Code:
B2
Abstract:
A controller for an engine and a hydraulic pump which includes first detection means (7A) for detecting a lever operation speed and control means (10) for outputting a command for controlling a revolution speed of the engine to an injection pump (1A) and/or a command for controlling a discharge capacity of the hydraulic pump (2) to a regulator (2A) so that, on receiving a signal from the first detection means (7A) in accordance with an operation speed of the lever operated, a work machine is operated at a speed in accordance with an operation speed of the lever operated, in order that a fuel efficiency of the engine and an efficiency of the hydraulic pump match with each other at a point having an optimum efficiency according to an absorption torque required by the hydraulic pump.
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Inventors:
Kouichi Kawamura
Masafumi Tsuji
Masafumi Tsuji
Application Number:
JP50958498A
Publication Date:
December 03, 2002
Filing Date:
August 07, 1997
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
E02F9/20; E02F9/22; F02D29/04; (IPC1-7): F02D29/04; E02F9/20; F15B11/00
Domestic Patent References:
| JPH0694005A | 1994-04-05 | |||
| JPH05195546A | 1993-08-03 | |||
| JPH0276904A | 1990-03-16 | |||
| JPH03293433A | 1991-12-25 |