Spiral compressor with running sleeves locked axially but able to rotate
US12135027B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 2022 |
| Grant date | Nov 5, 2024 |
| Priority date | — |
| Expiry date | May 17, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05C2251/10
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A spiral compressor having a stationary spiral element with a stationary spiral wall, a rotating spiral element with a rotating spiral wall arranged on a rotatable plate which is engaged with the stationary spiral wall wherein several compression working spaces are formed, and a guide means intended for guiding the rotating spiral element and with at least two guiding pins arranged in a stationary manner, at least two recesses formed on a back of the rotating spiral element with running sleeves which are inserted therein in a radially movable manner, in which the guiding pins are received such that the inner surface of the running sleeves, during rotation of the rotating spiral element, rotates about the circumference of the guiding pins, and wherein a lock is formed in every recess which prevents an axial protrusion of the running sleeves out of the recesses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.