SILENCER AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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N/A
Issued Date -
Jul 17, 2014
app pub date -
Jan 10, 2014
filing date -
Jan 16, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a silencer (1), in particular a vehicle silencer, having a continuous pipe (2) as well as a first resonator chamber (14) and a second resonator chamber (15) each surrounding the pipe (2) and being arranged one behind the other, with the shell (3) of the pipe (2) having at least one first opening (7) which opens into the first resonator chamber (14), and at least one second opening, which opens into the second resonator chamber (15). In order to allow a more flexible manufacturability, the resonator chambers (14, 15) are formed from a first housing part (4) and a second housing part (5), each having a shell embodied around an axis, and the length of the shell of the one housing part (4; 5), as seen in axial direction, is at least the half of the length of the other housing part (5; 4), and the housing parts (4, 5) are slid inside each other and overlap their shells at least in parts, and in the overlapping region (6), the shell exterior face (4a) of the first housing part (4) rests against the shell interior face (5b) of the second housing part (5), and in at least the overlapping region (6), the shell exterior face (4a) of the first housing part (4) and the shell interior face (5b) of the second housing part (5) each have a constant cross-section as seen in axial direction, and the housing parts (4, 5) have a recess on each side facing away from the overlapping region (6), which recess the pipe (2) passes through.

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
HENN GMBH & CO KG | 6850 DORNBIRN |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
HARTMANN, Harald | Dornbirn, AT | 29 | 151 |
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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 17, 2026 |
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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