The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 23, 2017

Filed:

Dec. 27, 2012
Applicant:

Mitsubishi Heavy Industries Plastic Tech. Co.,ltd., Nagoya-shi, Aichi-ken, JP;

Inventors:

Masaaki Ikarashi, Nagoya, JP;

Toshimichi Sugita, Nagoya, JP;

Yasuo Okochi, Nagoya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B 25/00 (2006.01); B29C 45/82 (2006.01);
U.S. Cl.
CPC ...
F01B 25/00 (2013.01); B29C 45/82 (2013.01); B29C 2945/76498 (2013.01); B29C 2945/76511 (2013.01); B29C 2945/76785 (2013.01); B29C 2945/76939 (2013.01);
Abstract

The hydraulic source control device includes an operation input device capable of inputting operation conditions regarding the driving force of a fluid pressure control element, a servo motor including a motor section that drives a hydraulic pump and an amplifier that drives the motor section, and a controller that outputs a control command to the servo motor based on an input result to the operation input device. The controller obtains the fluid pressure of a working fluid based on the operation conditions regarding the input driving force, computes the output torque of the motor section based on the relationship between the fluid pressure and the output torque that are stored in advance, and outputs the computed output torque to the amplifier as a control command of the torque limitation value of the servo motor.


Find Patent Forward Citations

Loading…