COMPRESSOR
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 30, 2015
app pub date -
Jul 23, 2013
filing date -
Jul 25, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A compressor includes fixed and movable side members. The fixed side member has a discharge port opened/closed by adischarge port. The discharge valve has a valve body which closes/opens an outlet end of the discharge port. An area of an inlet end of the discharge port is Ai, a peripheral length of the inlet end is Li, and a hydraulic diameter Di of the inlet end is 4(Ai/Li). A peripheral length of the outlet end of the discharge port is Lo, a reference lift amount of the valve body is ho, a cross sectional area Ao of an outlet side flow path formed between the outlet end of the discharge port and the valve body is Lo×ho, and a hydraulic diameter Do of the outlet side flow path is 4(Ao/2Lo). A ratio (Do/Di) is 0.25 or more and 0.5 or less.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DAIKIN INDUSTRIES LTD | UMEDA CENTER BUILDING 4-12 NAKAZAKI-NISHI 2-CHOME KITA-KU OSAKA-SHI OSAKA 530-8323 |
International Classification(s)

- 2013 Application Filing Year
- F04B Class
- 872 Applications Filed
- 785 Patents Issued To-Date
- 90.03 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hori, Kazutaka | Sakai-shi, JP | 13 | 126 |
# of filed Patents : 13 Total Citations : 126 | |||
Shimizu, Takashi | Sakai-shi, JP | 409 | 3170 |
# of filed Patents : 409 Total Citations : 3170 | |||
Tanaka, Kouichi | Sakai-shi, JP | 111 | 1386 |
# of filed Patents : 111 Total Citations : 1386 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F04B Class
- 0 % this patent is cited more than
- 10 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 30, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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