US5536041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas bag protective device
Assignee: TRW Occupant Restraint Systems GmbH
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Filing: 1995-05-31
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Granted: 1996-07-16
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Expires: 2015-05-31
Abstract
Abstract In a gas bag protective device for a vehicle occupant with an inflatable gas bag, a gas generator with a plurality of gas outlet openings and a generally tubular diffusor surrounding the gas generator and provided with a plurality of gas distribution openings are located within the gas bag. A casing is provided for accommodating the gas bag in a folded condition, the diffusor and the gas generator.
Inventors
- 👤 Dominique Acker
- 👤 Gunter Maier
- 👤 Thomas Herpich
- 👤 Michael Stutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:54
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/16; B60R21/23; B60R21/231; B60R21/23138; B60R21/20; B60R21/217; B60R21/2171; B60R21/26; B60R21/261; B60R21/232
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
112 words
A gas bag protective device for a vehicle occupant comprising: an inflatable gas bag; a gas generator with a plurality of gas outlet openings; and a generally tubular diffuser surrounding said gas generator and having a tubular center section and two opposed open end sections; said tubular center section having a wall portion facing the interior of said gas bag and provided with a plurality of gas distribution openings; said open end sections each having an opening which widens circumferentially with increasing distance away from said center section, forming a gas distribution window facing the interior of said gas bag; and said gas generator and diffusor being located within said gas bag.
Claim 2
Dependent Claim
112 words
A gas bag protective device for a vehicle occupant comprising: an inflatable gas bag; a gas generator with a plurality of gas outlet openings; and a generally tubular diffuser surrounding said gas generator and having a tubular center section and two opposed open end sections; said tubular center section having a wall portion facing the interior of said gas bag and provided with a plurality of gas distribution openings; said open end sections each having an opening which widens circumferentially with increasing distance away from said center section, forming a gas distribution window facing the interior of said gas bag; and said gas generator and diffusor being located within said gas bag.
Claim 3
Dependent Claim
56 words
The device of claim 1 wherein a casing is provided for accommodating said diffusor, said gas generator, and said gas bag in a folded condition, said gas bag having an insertion opening for insertion of said diffusor and said gas generator, said insertion opening having a border which is clamped between said casing and said diffusor.
Claim 4
Dependent Claim
25 words
The device of claim 1 wherein said gas distribution openings are provided in a plurality of rows extending in an axial direction of said diffusor.
Claim 5
Dependent Claim
140 words
A gas bag protective device for a vehicle occupant comprising: an inflatable gas bag; a gas generator with a plurality of gas outlet openings; and a generally tubular diffusor surrounding said gas generator and provided with a plurality of gas distribution openings; said gas generator having a cylindrical outer wall radially spaced from said tubular diffusor on its side facing the interior of said gas bag; and a gas distribution space being defined between said outer wall of the gas generator and said tubular diffusor; said gas distribution space having circumferentially spaced end sections and an intermediate section in-between said end sections, said gas distribution openings being located in said intermediate section; said gas generator having gas outlet openings in said end sections of said gas distribution space; and said gas generator and diffusor being located within said gas bag.
Claim 6
Dependent Claim
140 words
A gas bag protective device for a vehicle occupant comprising: an inflatable gas bag; a gas generator with a plurality of gas outlet openings; and a generally tubular diffusor surrounding said gas generator and provided with a plurality of gas distribution openings; said gas generator having a cylindrical outer wall radially spaced from said tubular diffusor on its side facing the interior of said gas bag; and a gas distribution space being defined between said outer wall of the gas generator and said tubular diffusor; said gas distribution space having circumferentially spaced end sections and an intermediate section in-between said end sections, said gas distribution openings being located in said intermediate section; said gas generator having gas outlet openings in said end sections of said gas distribution space; and said gas generator and diffusor being located within said gas bag.
Claim 7
Dependent Claim
56 words
The device of claim 4 wherein a casing is provided for accommodating said diffusor, said gas generator, and said gas bag in a folded condition, said gas bag having an insertion opening for insertion of said diffusor and said gas generator, said insertion opening having a border which is clamped between said casing and said diffusor.
Claim 8
Dependent Claim
25 words
The device of claim 4 wherein said gas distribution openings are provided in a plurality of rows extending in an axial direction of said diffusor.
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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) | 1999-07-16 | 2000-01-15 | 2000-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-07-16 | 2004-01-15 | 2004-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-07-16 | 2008-01-15 | 2008-07-16 | $7700.00 | Window Closed / Lapsed |