Title:
ENGINE CONTROL DEVICE FOR CRUSHING MACHINE
Document Type and Number:
Japanese Patent JP3967497
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce energy loss, noise and the amount of exhaust gas by reducing the rotating speed of an engine in a standby state where the operation of equipments including a crushing device is stopped.
SOLUTION: An engine control device for a crushing machine is provided on the self-travelling crushing machine 1 having a jaw crusher 4 for crushing rubbish, a feeder 5, a conveyor 6, an electromagnetic selector 7 and a traveller 11, hydraulic pumps 16, 18 driven by an engine 15 and operating lever devices 29, 30 for operating hydraulic motors 19-23 for controlling the rotating speed of the engine 15. When all equipments 4-7, 11 are in stopped condition or the feeder 5 and the jaw crusher 4 are in idling condition, the engine control part 45d of the controller 45 limits the amount of fuel to be injected via a fuel injection control device 103 from a fuel injector 102 to be a first preset value for controlling the rotating speed of the engine 15 to be a preset idling speed.
Inventors:
Masamichi Tanaka
Hirose Kiyonobu
Endo Ichio
Hirose Kiyonobu
Endo Ichio
Application Number:
JP23842199A
Publication Date:
August 29, 2007
Filing Date:
August 25, 1999
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
B02C21/02; F02D29/00; F02D29/02; F02D29/04; (IPC1-7): F02D29/02; B02C21/02; F02D29/04
Domestic Patent References:
| JP4017738A | ||||
| JP5184968A | ||||
| JP7158474A | ||||
| JP4041942A | ||||
| JP4119204A |
Attorney, Agent or Firm:
Kasuga Toshiaki