US6041748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe module
Assignee: Mann and Hummel GmbH
•
Filing: 1996-05-14
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Granted: 2000-03-28
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Expires: 2016-05-14
Abstract
Abstract A pipe module, especially in the inlet system of an internal combustion engine, having at least one curved pipe (1) with at least one functional component (2, 5, 6, 7) substantially in the curved region and especially inside it.
Inventors
- 👤 Heinz Mueller
- 👤 Klaus Waltenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:23
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/10314; F02M35/10321; F02M35/10006; F02M35/10026; F02M35/10032; F02M35/10091; F02M35/10111; F02M35/10209; F02M35/10216; F02M35/10222; F02M35/10242; F02M35/10262; F02M35/10288; F02M35/104; F02M35/112; F02M35/12; F02M35/1255; F05; F05C; F05C2225/00; F05C2225/08; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
50 words
Pipe module in an intake tract of an internal combustion engine, the pipe module having between 2 and 6 curved pipes, wherein a functional element operating as a dampening volume is disposed in a curvature area of the curved pipes and further wherein the functional element is a bypass resonator.
Claim 2
Dependent Claim
50 words
Pipe module in an intake tract of an internal combustion engine, the pipe module having between 2 and 6 curved pipes, wherein a functional element operating as a dampening volume is disposed in a curvature area of the curved pipes and further wherein the functional element is a bypass resonator.
Claim 3
Dependent Claim
17 words
Pipe module according to claim 1, wherein the functional element is integrated into the pipe module housing.
Claim 4
Dependent Claim
23 words
Pipe module according to claim 1, wherein an additional function element, an injection valve, is provided within the curve area of the pipes.
Claim 5
Dependent Claim
17 words
Pipe module according to claim 1, wherein the functional element is suspended resiliently and free of vibration.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-03-28 | 2003-09-27 | 2004-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-03-28 | 2007-09-27 | 2008-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-03-28 | 2011-09-27 | 2012-03-28 | $7700.00 | Window Closed / Lapsed |