US3770387A - Deflector - Google Patents

Deflector Download PDF

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Publication number
US3770387A
US3770387A US00132862A US3770387DA US3770387A US 3770387 A US3770387 A US 3770387A US 00132862 A US00132862 A US 00132862A US 3770387D A US3770387D A US 3770387DA US 3770387 A US3770387 A US 3770387A
Authority
US
United States
Prior art keywords
deflector
gas
source
manifold
debris
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00132862A
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English (en)
Inventor
Y Loomba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell International Inc
Original Assignee
Allied Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Allied Chemical Corp filed Critical Allied Chemical Corp
Application granted granted Critical
Publication of US3770387A publication Critical patent/US3770387A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/268—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous release of stored pressurised gas
    • B60R21/272—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous release of stored pressurised gas with means for increasing the pressure of the gas just before or during liberation, e.g. hybrid inflators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J7/00—Apparatus for generating gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/20—Spark arrester

Definitions

  • ABSTRACT An interior deflector covering the opening communicating to the manifold and bag assembly in a gas generating device.
  • This invention relates to an interior deflector in a restraining inflatable bag system. More particularly, this invention relates to an interior deflector located at a point at which gasses are being passed to the manifold to then enter the inflatible bag system.
  • An interior deflector mounted over the entrance to the exit opening of a gas source.
  • the deflector is preferably mounted axially and such that the inflating gasses leaving the gas source to enter bag system must pass therethrough.
  • the deflector is designed to fit over the exit port. It is apertured to allow generated or stored gas, as well as electrical wiring as desired, to pass therethrough, said aperture or aperatures being small enough and spaced so that said deflector keeps debris from a pyrotechnic source from passing into the manifold or air bag system.
  • FIG. 1 shows a bag system; and 7 FIG. 2 shows the deflector detail.
  • the pyrotechnic. gas producing structure is shown 4, in one illustrative embodiment, and is composed of an ignitor 5, a propellent 6 and a nozzle 7.
  • the gas producing structure is fired on indication from a sensor device by ignition of ignitor which burns and causes activation of gas generating propellent 6.
  • the structure 4 is electrically connected (wire 50) to a detonator 8 at the opposite end of the gas source for opening the plug 30 which causes communication from said source through the passageway 2 to the manifold 3.
  • the gas producing structure 4 (the gas generator) is in combination with stored gas (for example, nitrogen) in the bottle 9. Further details of this structure may be found in U. S. application Ser. No. 81,947 filed Oct. 19, 1970 now US. Pat. No.
  • the deflector 100 is provided with screw threads for attachment on the longitudinal axis A-A to the interior of the gas source.
  • the deflector is provided with a central aperture 102 and surrounding apertures 103, both of A; to 1% inch diameter, and preferably 5/16 inch diameter and both of which pass axially through the deflector to form the referred to apertures 101.
  • the deflector is shaped generally conically for maximum gas reception and debris interception withthe tip 109 of the cone 104 facing the direction from which the debris and gas are flowing.
  • the mounting of the deflector within the gas source keeps debris from gas generation from leaving the source and contaminating or endangering the rest of the system.
  • Said deflector may be made, for example, of stainless steel or cast alloy.
  • Apparatus comprising a gas generating source containing gas producing material, protective inflatable re straint assembly inflatable by gas passed from said source, a removable plug retaining said gas in said source, detonator means for removing the plug and an interior deflector mounted within said source for intercepting debris resulting from said gas generation within said source, said deflector mounted on the longitudinal axis of the gas source, said deflector being generally conical in shape, the tip of the cone facing toward the direction opposite to the direction of gas flow, said deflector apertured to pass generated gas without causing turbulence in the gas and electrical wiring connected to the detonator means therethrough for activation of said source while intercepting said debris so as to keep it from passing there past, said apertures passing axially through the deflector from one end to the other, said apertured deflector being the only path through which the generated gas may pass'to the inflatable restraint assembly.

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Air Bags (AREA)
US00132862A 1971-04-09 1971-04-09 Deflector Expired - Lifetime US3770387A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13286271A 1971-04-09 1971-04-09

Publications (1)

Publication Number Publication Date
US3770387A true US3770387A (en) 1973-11-06

Family

ID=22455930

Family Applications (1)

Application Number Title Priority Date Filing Date
US00132862A Expired - Lifetime US3770387A (en) 1971-04-09 1971-04-09 Deflector

Country Status (6)

Country Link
US (1) US3770387A (https=)
CA (1) CA927432A (https=)
DE (1) DE2216360A1 (https=)
FR (1) FR2132790A1 (https=)
GB (1) GB1320660A (https=)
IT (1) IT954630B (https=)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901530A (en) * 1973-08-08 1975-08-26 Allied Chem Multiple mini hybrid with direct bag connection
US4084839A (en) * 1975-07-14 1978-04-18 Nippon Soken, Inc. Gas bag protection apparatus for vehicles
US4865635A (en) * 1988-08-17 1989-09-12 Talley Automotive Products, Inc. Filter assembly for non-welded inflator device
US4907819A (en) * 1988-09-16 1990-03-13 Talley Automotive Products, Inc. Lightweight non-welded gas generator with rolled spun lip
US5160164A (en) * 1991-06-05 1992-11-03 Trw Vehicle Safety Systems Inc. Gas deflection device for an air bag assembly
US5172933A (en) * 1989-10-10 1992-12-22 Ford Motor Company Air bag diverter
US5799972A (en) * 1996-04-19 1998-09-01 Trw Vehicle Safety Systems Inc. Inflator for inflating an air bag having magnetically coupled internal ignition
US6152484A (en) * 1998-01-23 2000-11-28 Trw Occupant Restraint Systems Gmbh & Co. Kg Gas generator
US6179323B1 (en) 1998-11-25 2001-01-30 Trw Vehicle Safety Systems Inc. Vehicle inflatable side curtain assembly
US6439604B1 (en) 2000-01-26 2002-08-27 Trw Inc. Side curtain assembly including fill tube
US20050275203A1 (en) * 2004-06-14 2005-12-15 Takata Corporation Inflator and airbag apparatus
US20110260092A1 (en) * 2009-01-16 2011-10-27 Gerald Nitzi Flow control device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2648554B1 (fr) * 1989-06-20 1994-03-25 Thomson Brandt Armements Systeme mettant en oeuvre un dispositif electropyrotechnique destine a declencher sequentiellement le fonctionnement d'une batterie de generateurs de gaz

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US152676A (en) * 1874-06-30 Improvement in spark-arresters
US205806A (en) * 1878-07-09 Improvement in spark-arresters for locomotives
AT47445B (de) * 1909-12-05 1911-04-10 Heinrich Pieper Gaserzeugungsvorrichtung für Spielzeuge.
US2761529A (en) * 1956-09-04 Tractor-trailer brake system
US3618976A (en) * 1969-10-31 1971-11-09 Chrysler Corp Inflatable bag and gas diffusing device
US3618981A (en) * 1969-10-31 1971-11-09 Chrysler Corp Inflatable device
US3674059A (en) * 1970-10-19 1972-07-04 Allied Chem Method and apparatus for filling vehicle gas bags

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US152676A (en) * 1874-06-30 Improvement in spark-arresters
US205806A (en) * 1878-07-09 Improvement in spark-arresters for locomotives
US2761529A (en) * 1956-09-04 Tractor-trailer brake system
AT47445B (de) * 1909-12-05 1911-04-10 Heinrich Pieper Gaserzeugungsvorrichtung für Spielzeuge.
US3618976A (en) * 1969-10-31 1971-11-09 Chrysler Corp Inflatable bag and gas diffusing device
US3618981A (en) * 1969-10-31 1971-11-09 Chrysler Corp Inflatable device
US3674059A (en) * 1970-10-19 1972-07-04 Allied Chem Method and apparatus for filling vehicle gas bags

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901530A (en) * 1973-08-08 1975-08-26 Allied Chem Multiple mini hybrid with direct bag connection
US4084839A (en) * 1975-07-14 1978-04-18 Nippon Soken, Inc. Gas bag protection apparatus for vehicles
US4865635A (en) * 1988-08-17 1989-09-12 Talley Automotive Products, Inc. Filter assembly for non-welded inflator device
US4907819A (en) * 1988-09-16 1990-03-13 Talley Automotive Products, Inc. Lightweight non-welded gas generator with rolled spun lip
US5172933A (en) * 1989-10-10 1992-12-22 Ford Motor Company Air bag diverter
US5160164A (en) * 1991-06-05 1992-11-03 Trw Vehicle Safety Systems Inc. Gas deflection device for an air bag assembly
US5799972A (en) * 1996-04-19 1998-09-01 Trw Vehicle Safety Systems Inc. Inflator for inflating an air bag having magnetically coupled internal ignition
US6152484A (en) * 1998-01-23 2000-11-28 Trw Occupant Restraint Systems Gmbh & Co. Kg Gas generator
US6179323B1 (en) 1998-11-25 2001-01-30 Trw Vehicle Safety Systems Inc. Vehicle inflatable side curtain assembly
US6439604B1 (en) 2000-01-26 2002-08-27 Trw Inc. Side curtain assembly including fill tube
US20050275203A1 (en) * 2004-06-14 2005-12-15 Takata Corporation Inflator and airbag apparatus
EP1607282A1 (en) * 2004-06-14 2005-12-21 Takata Corporation Inflator and airbag apparatus
US7360788B2 (en) 2004-06-14 2008-04-22 Takata Corporation Inflator and airbag apparatus
US20110260092A1 (en) * 2009-01-16 2011-10-27 Gerald Nitzi Flow control device
US8828310B2 (en) * 2009-01-16 2014-09-09 Refractory Intellectual Property Gmbh & Co Kg Flow control device

Also Published As

Publication number Publication date
DE2216360A1 (de) 1972-10-19
GB1320660A (en) 1973-06-20
CA927432A (en) 1973-05-29
FR2132790A1 (https=) 1972-11-24
IT954630B (it) 1973-09-15

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