Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CRYOPUMP
Document Type and Number:
WIPO Patent Application WO/2019/163762
Kind Code:
A1
Abstract:
A cryopump 10 is provided with: a cryopump housing 16; a cryogenic refrigerator 14 provided with an expander 18 which is attached to the cryopump housing 16, and a compressor 20 which collects a working gas from the expander 18, compresses the working gas, and supplies the compressed working gas to the expander 18; a purge gas line 22 which supplies a purge gas to the cryopump housing 16; and a first heat exchanger 26 provided to the purge gas line 22 so as to heat the purge gas using exhaust heat from the compressor 20.

Inventors:
NAKAMURA Masatoshi (LTD. Tanashi Works 1-1, Yato-cho 2-chom, Nishitokyo-shi Tokyo 85, 〒1888585, JP)
Application Number:
JP2019/006065
Publication Date:
August 29, 2019
Filing Date:
February 19, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD. (1-1 Osaki 2-chome, Shinagawa-ku Tokyo, 25, 〒1416025, JP)
International Classes:
F04B37/08; F04B37/16
Foreign References:
JP2015175342A2015-10-05
DE102015213527A12017-01-19
Attorney, Agent or Firm:
MORISHITA Sakaki (2-11-12, Ebisu-Nishi Shibuya-ku Tokyo, 21, 〒1500021, JP)
Download PDF: