Title:
PULSE TUBE REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2021/192611
Kind Code:
A1
Abstract:
A pulse tube refrigerator (10) comprising: a pulse tube (50); a two-way flow passage (52) that is connected to the pulse tube (50) and through which a pulse tube inflow (56) and a pulse tube outflow (58) alternately flow, said two-way flow passage (52) having a flow passage resistance part (54), wherein the pulse tube inflow (56) passes through the flow passage resistance part 54 from the entry side thereof and the pulse tube outflow (58) passes through the flow passage resistance part (54) from the exit side thereof; and a temperature adjuster (62) that is provided to the two-way flow passage (52) so as to adjust the pulse tube inflow (56) to a first temperature on the entry side of the flow passage resistance part (54) and adjust the pulse tube outflow (58) to a second temperature, which is different from the first temperature, on the exit side of the flow passage resistance part (54).
Inventors:
HIRAYAMA TAKASHI (JP)
Application Number:
PCT/JP2021/003503
Publication Date:
September 30, 2021
Filing Date:
February 01, 2021
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
F25B9/00
Foreign References:
| JPH06313645A | 1994-11-08 | |||
| JP2016057016A | 2016-04-21 | |||
| JP2001241792A | 2001-09-07 | |||
| JP2006234338A | 2006-09-07 |
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
Download PDF: