METHOD OF CONTROLLING ROTATIONAL SPEED OF ENGINE FOR VEHICLE AND APPARATUS THEREFOR

Title:

METHOD OF CONTROLLING ROTATIONAL SPEED OF ENGINE FOR VEHICLE AND APPARATUS THEREFOR

Document Type and Number:

WIPO Patent Application WO/1992/020914

Kind Code:

A1

Abstract:

An apparatus for controlling the rotational speed of an engine (30) for an industrial vehicle which includes controllers (50, 70, 85, 95) each incorporating therein a memory (72), and is configured with a first system in which, when a highest vehicle speed set by a highest vehicle speed setting means (56, 58, 76) connected to the controllers (50, 70, 85, 95) is not reached, a target RPM equivalent to a value of depression of an accelerator as detected from a depression value detecting means (52) for an accelerator pedal (44) is read out of the memory (72) and an opening of a throttle valve (36) of a carburator (32) is controlled through an actuator (38) so as to attain the target RPM thus read out, and a second system in which, when the above-described highest vehicle speed thus set is reached, the upper limit target RPM of the engine (30) corresponding thereto is read out of the memory (72) and an opening of the throttle valve (36) is controlled through the actuator (38) so as to attain the upper limit target RPM thus read out.

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Inventors:

HIRATE HIROSHI (JP)
OTOSHI KOHTA (JP)
IWAI TOMOHIRO (JP)

Application Number:

PCT/JP1992/000664

Publication Date:

November 26, 1992

Filing Date:

May 22, 1992

Export Citation:

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Assignee:

TOYODA AUTOMATIC LOOM WORKS (JP)

International Classes:

F02D31/00; F02B1/04; (IPC1-7): F02D41/14

Foreign References:

JPS63140842A	1988-06-13
JPS60111029A	1985-06-17
JPS5797035A	1982-06-16
JPS523931A	1977-01-12
US4566415A	1986-01-28

Other References: