Refrigerating agent compressor with improved pressure chamber
US6401965B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2000 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | May 23, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B11/0025
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An electric refrigeration compressor, in particular for household refrigerating and deep-freezing appliances, including an outer casing, an inner body, a pressure chamber integrated in said inner body as well as a lid by which the opening of the pressure chamber is closeable, wherein the lid and the pressure chamber are provided with an annular flat rim (5) arranged in the region of the opening of the pressure chamber as well as a corresponding annular flat rim (6) extending about the closing periphery of the lid, wherein the annular flat rims are mutually couplable so as to be connectable in a stable and permanent manner. One of the annular flat rims is provided with a rib projecting against the corresponding annular rim located opposite and has a substantially triangular radial vertical section with an outwardly oriented corner, the angle of such a corner ranging between 70° and 90°. The bottom (E) of said pressure chamber is flat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.