Title:
VACUUM PUMP
Document Type and Number:
Japanese Patent JP2022050835
Kind Code:
A
Abstract:
To restrain an oil supply pipe from remaining in an engine side when removing a vacuum pump from an engine.SOLUTION: A vacuum pump 1 includes an oil supply pipe 2 having a lubricating oil inlet 12 in one end 10 and a lubricating oil outlet 20 in the other end 18, a rotor 4 including a shaft 28 having a recession 26 into which the other end 18 of the oil supply pipe 2 is inserted, and a first elastic body 6 held by an outer peripheral surface 22 of the other end 18 of the oil supply pipe 2. A groove 32 which can be fitted with the first elastic body 6 is formed on an inner peripheral surface 30 of the recession 26.SELECTED DRAWING: Figure 1
Inventors:
ISHII TOSHIHIRO
TAKASAKI YUSUKE
TAKASAKI YUSUKE
Application Number:
JP2020156980A
Publication Date:
March 31, 2022
Filing Date:
September 18, 2020
Export Citation:
Assignee:
MIKUNI KOGYO KK
International Classes:
F04B37/16; F04C29/12; F04C29/00
Attorney, Agent or Firm:
Seishin ip patent business corporation