Title:
OPERATING MACHINE
Document Type and Number:
Japanese Patent JP2021011826
Kind Code:
A
Abstract:
To provide an operating machine which can detect a pressure state of an operation chamber without installing a pressure sensor in the operation chamber.SOLUTION: An operating machine comprises a cylinder, a piston which forms an operation chamber together with the cylinder, a main body having a pressure port, a valve body disposed so as to be capable of opening and closing the pressure port and the operation chamber, and a detection part for detecting a pressure state of the operation chamber. The main body has a sealed space defining part for defining a sealed space, the valve body has a communication part for making the operation chamber and the sealed space communicate with each other, and the detection part detects the pressure state of the operation chamber by detecting a pressure state of the sealed space.SELECTED DRAWING: Figure 1
Inventors:
MORI ATSUSHI
TAKAHASHI YUSUKE
HONDA HIROSHI
OKA YUSUKE
KITAMOTO YUSUKE
TAKEMOTO SHOICHI
TAKAHASHI YUSUKE
HONDA HIROSHI
OKA YUSUKE
KITAMOTO YUSUKE
TAKEMOTO SHOICHI
Application Number:
JP2019124599A
Publication Date:
February 04, 2021
Filing Date:
July 03, 2019
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
F04B51/00; F15B20/00
Domestic Patent References:
| JP2005280444A | 2005-10-13 | |||
| JP2017151020A | 2017-08-31 | |||
| JP2017150441A | 2017-08-31 | |||
| JP2017003465A | 2017-01-05 |
Attorney, Agent or Firm:
Washeda International Patent Office