Title:
密閉型圧縮機及び冷凍サイクル装置
Document Type and Number:
Japanese Patent JP6886522
Kind Code:
B2
Abstract:
[Problem] To provide a low-cost, high-quality compressor for which the degree of design freedom with respect to a connection position between an introduction path and an injection path of an injection flow path can be increased, manufacturing can be optimized, and the opening/closing of a check valve in the injection flow path can be carried out with good precision. [Solution] An injection flow path configured from: an injection path that is provided in a closure member and one end of which opens into a cylinder chamber, the other end opening at a side away from the cylinder chamber; a communication path that is formed between the closure member and an end plate stacked on the closure member in the axial direction of a rotary shaft, and that communicates with the injection path; an introduction path that is provided either on the closure member or the end plate and one end of which opens into the communication path from the axial direction, an injection introduction pipe communicating with the exterior of a sealed case being connected to the other end; and a check valve for opening/closing the opening of the introduction path on the communication-path side, and preventing a flow of refrigerant from the cylinder chamber to the introduction path.
Inventors:
Takuya Hirayama
Shigeki Kimura
Shigeki Kimura
Application Number:
JP2019540171A
Publication Date:
June 16, 2021
Filing Date:
September 06, 2017
Export Citation:
Assignee:
Toshiba Carrier Co., Ltd.
International Classes:
F04C29/04; F04C18/356
Domestic Patent References:
| JP64025487U | ||||
| JP2017101592A |
Attorney, Agent or Firm:
Patent business corporation Tokyo International Patent Office