Title:
ROTARY COMPRESSOR
Document Type and Number:
Japanese Patent JP2021143623
Kind Code:
A
Abstract:
To provide a rotary compressor in which an operation region is expanded to the high speed side and a pressure of a refrigerant is expanded to the high pressure side.SOLUTION: A piston 6 is provided on an inner peripheral surface of a cylinder 5 of a compression part 30. A vane 12, having a spring 13 at a rear end which contacts with the piston 6, slides forward and reward in a groove 10 extending from the inner peripheral surface of the cylinder 5 in a radial direction and having an opening 10b at an outer edge. Communication holes 21 are provided at a frame 8 of an upper part and a head 9 of a lower part of the cylinder 5. A refrigerant in a pressure tank part 50 passes through the communication holes 21 to be introduced into the groove 10.SELECTED DRAWING: Figure 1
Inventors:
AKIYAMA TAKASHI
HIYAMA MASAYUKI
HIYAMA MASAYUKI
Application Number:
JP2020042551A
Publication Date:
September 24, 2021
Filing Date:
March 12, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F04C18/356; F04C29/00
Attorney, Agent or Firm:
Patent Business Corporation Parumo Patent Office