Rotary slide valve, in particular for hydraulic power assisted steering systems in motor vehicles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Sep 3, 2009
app pub date -
May 3, 2006
filing date -
May 3, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A rotary slide valve, in particular for hydraulic power-assisted steering systems in motor vehicles, having a control bush and a rotary slide which is adapted to rotate within the control bush about a common longitudinal axis, the rotary slide and the control bush including a plurality of control edges, of which one control edge each of the control bush forms control gaps with a nearest control edge of the rotary slide, and adjacent control gaps of supply ports for a hydraulic fluid determining a control geometry, is characterized in that the rotary slide valve has at least two different control geometries.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TRW AUTOMOTIVE GMBH | INDUSTRIESTRASSE 20 ALFDORF 73553 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Lingemann, Markus | Bochum , DE | 14 | 20 |
# of filed Patents : 14 Total Citations : 20 |
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- B62D Class
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- 16 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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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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