Patent JPS5340451A successfully refreshed from Google Patents.
JPS5340451A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Refrigerant injection type refrigeration
Assignee: Hitachi Ltd
•
Filing: 1976-09-27
•
Granted: —
•
Expires: 1996-09-27
Abstract
Abstract PURPOSE: To prevent the degradation of compressor performance during refrigerant injection by controlling the refrigerant injection amount to operation room of rotary compressor in corresponding to refrigerant load. COPYRIGHT: (C)1978,JPO&Japio
Inventors
- 👤 Katsumi Matsubara
- 👤 Shigeru Sasaki
- 👤 Masaharu Ishii
- 👤 Shigekazu Nozawa
- 👤 Masayuki Urashin
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-28 08:57
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.