Variable capacity compressor having a control valve with channels
US9551334B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 23, 2012 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Jun 10, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0491
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Provided is a control valve for a variable capacity compressor, the control valve including: a valve body including a crank-chamber port, a discharge port, a suction port, a control channel formed inside the control valve such that the crank-chamber port and the discharge port communicate with each other, and a first bleeding channel formed such that the crank-channel port and the suction port communicate with each other; an operating unit provided in the valve body and including a second bleeding channel communicated from a center area to a side surface of the operating unit; and a driving unit provided in the valve body and connected to the operating unit to enable the operating unit to reciprocally move according to a current applied by an external source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.