Idle speed control devices
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 12, 2001
app pub date -
Jan 3, 2001
filing date -
Jan 7, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A throttle valve (12) is provided in an intake air passage (11) of a throttle body (10) and serves to control the air flows rate that is supplied into a combustion chamber of an internal combustion engine. A valve housing (21) is joined to the throttle body (10). A communication passage (22) is formed in the valve housing (21). A branching side passage (13a) and a joining side passage (13b) are formed in the throttle body 10 and, together with the communication passage (22) in the valve housing (21), form a bypass structure (13) that bypass the throttle valve (12). A valve seat portion (23) is formed on the valve housing (21) in the communication passage (22). A valve (25) is provided in the valve housing (21) and serves to control the opening area of the valve seat portion (23). A lattice (50) is disposed downstream of the valve seat portion (23) in the bypass structure (13). The lattice (50) may be replaced with other structures adapted to reduce or prevent turbulent airflow downstream of the valve seat portion (23). Preferably, such structure generates a laminar airflow.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TOYOTA JIDOSHA KABUSHIKI KAISHA | 1 TOYOTA-CHO TOYOTA-SHI AICHI-KEN 471-8571 ?471-8571 | |
AISAN KOGYO KABUSHIKI KAISHA | 1-1 KYOWA-CHO 1-CHOME OBU-SHI AICHI 4748588 ?4748588 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Amano, Takayoshi | Obu-shi, JP | 4 | 6 |
Hattori, Yasuhiko | Obu-shi, JP | 3 | 29 |
Shimizu, Koichi | Toyota-shi, JP | 124 | 1232 |
Uematsu, Satoshi | Toyota-shi, JP | 16 | 64 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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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