Single screw compressor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 9, 2015
Grant Date -
Oct 11, 2012
app pub date -
Dec 22, 2010
filing date -
Dec 22, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A single-screw compressor includes a screw rotor, a cylinder wall in which the screw rotor is rotatably accommodated, a driving mechanism which variably drives the screw rotor according to a load, and a slide valve which is provided in a slide groove formed in the cylinder wall. The slide valve faces an outer circumferential surface of the screw rotor to be movable in an axial direction, and to adjust a discharge start position by being moved in the axial direction according to the operating capacity. A discharge side end surface of the slide valve extends in a direction corresponding to a screw land of the screw rotor to which the discharge side end surface faces when the slide valve is moved to a position corresponding to a part load operation state.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2010 Application Filing Year
- F04B Class
- 757 Applications Filed
- 507 Patents Issued To-Date
- 66.98 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F04B Class
- 0 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 9, 2026 |
