Title:
ENGINE WORK MACHINE
Document Type and Number:
Japanese Patent JP2015008693
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an engine work machine which quickly stops an engine itself at the time of unstable attitude of the engine work machine.SOLUTION: An acceleration sensor is provided in a cylinder, and a control device controls the operation of an engine by using output of rotation detection means. Control means receives information from the acceleration sensor and the rotation detection means, excludes a range corresponding to predetermined frequency bands 75, 76 obtained by output of rotation detection means from an output 71 of the acceleration sensor, and suppresses or stops the operation of the engine when an acceleration peak 71a of a signal obtained from the excluded output is equal to or more than a prescribed threshold g.
Inventors:
KATAOKA TATSUNORI
Application Number:
JP2013137560A
Publication Date:
January 19, 2015
Filing Date:
June 28, 2013
Export Citation:
Assignee:
HITACHI KOKI KK
International Classes:
A01D34/68; A01D34/78
Attorney, Agent or Firm:
Deer Shin-ichi Kubo