Title:
HYDRAULIC MOTOR FOR TURNING MOTOR
Document Type and Number:
Japanese Patent JP2016164388
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a hydraulic motor for a turning motor that suppresses abnormal rise of drain pressure by providing a check valve mechanism at a portion communicating from a hydraulic port to the inside of a housing and speed reducer through an orifice, and prevents damage of a product.SOLUTION: Between a hydraulic port 31 formed in a casing 11 and a storage chamber 32 of the casing 11 storing a cylinder block 14, a check valve mechanism 33 is provided. In the check valve mechanism 33, a valve body 34 is screwed into the casing 11, a check valve 35 is slidably supported by the valve body 34 in an axis direction, and the check valve 35 is engaged to an opening hole 37 communicating between the hydraulic port 31 and the storage chamber 32 by a spring member 36.SELECTED DRAWING: Figure 1
Inventors:
NAKAHARA HOKUTO
Application Number:
JP2015044503A
Publication Date:
September 08, 2016
Filing Date:
March 06, 2015
Export Citation:
Assignee:
NACHI FUJIKOSHI CORP
International Classes:
F03C1/253
Attorney, Agent or Firm:
Kosaku Umemoto
Akiko Okajima
Akiko Okajima