Scroll refrigeration compressor including heat shield, bypass passage, and bypass valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 19, 2015
Grant Date -
Nov 14, 2013
app pub date -
Nov 28, 2011
filing date -
Dec 14, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The scroll refrigeration compressor includes a sealed casing, stationary and moving volutes including spiral wraps engaged in one another and defining the variable-volume compression chambers, a delivery chamber defined by the plate of the stationary volute and the sealed casing, a heat shield disposed in the delivery chamber and dividing the delivery chamber into a first volume defined by the plate of the stationary volute and the heat shield and a second volume defined by the heat shield and the sealed casing, and at least one flow passage arranged to communicate the first and second volumes. The compressor further includes at least one bypass passage arranged to communicate the first volume with an intermediate compression chamber, and at least one bypass valve disposed in the first volume and movable between closing and opening positions for closing and opening the corresponding bypass passage.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2011 Application Filing Year
- F04C Class
- 256 Applications Filed
- 222 Patents Issued To-Date
- 86.72 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F04C Class
- 21.24 % 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 | Nov 19, 2026 |
