SE514374C2 - Accelerometer för detektering av hastighetsändringar hos ett fordon - Google Patents

Accelerometer för detektering av hastighetsändringar hos ett fordon

Info

Publication number
SE514374C2
SE514374C2 SE9102744A SE9102744A SE514374C2 SE 514374 C2 SE514374 C2 SE 514374C2 SE 9102744 A SE9102744 A SE 9102744A SE 9102744 A SE9102744 A SE 9102744A SE 514374 C2 SE514374 C2 SE 514374C2
Authority
SE
Sweden
Prior art keywords
contact
housing
inertial element
accelerometer
accelerometer according
Prior art date
Application number
SE9102744A
Other languages
English (en)
Swedish (sv)
Other versions
SE9102744D0 (sv
SE9102744L (sv
Inventor
Allen Breed
Ted Thuen
Carl Grossi
Original Assignee
Breed Automotive Tech
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 Breed Automotive Tech filed Critical Breed Automotive Tech
Publication of SE9102744D0 publication Critical patent/SE9102744D0/xx
Publication of SE9102744L publication Critical patent/SE9102744L/
Publication of SE514374C2 publication Critical patent/SE514374C2/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/135—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by making use of contacts which are actuated by a movable inertial mass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • H01H35/141—Details
    • H01H35/142—Damping means to avoid unwanted response

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Air Bags (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
SE9102744A 1990-09-24 1991-09-23 Accelerometer för detektering av hastighetsändringar hos ett fordon SE514374C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/587,262 US5098122A (en) 1989-12-06 1990-09-24 Velocity change sensor with improved spring bias

Publications (3)

Publication Number Publication Date
SE9102744D0 SE9102744D0 (sv) 1991-09-23
SE9102744L SE9102744L (sv) 1992-03-25
SE514374C2 true SE514374C2 (sv) 2001-02-19

Family

ID=24349069

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9102744A SE514374C2 (sv) 1990-09-24 1991-09-23 Accelerometer för detektering av hastighetsändringar hos ett fordon

Country Status (8)

Country Link
US (1) US5098122A (fr)
JP (1) JP3160026B2 (fr)
CA (1) CA2052025C (fr)
DE (1) DE4130897C2 (fr)
FR (1) FR2667031B1 (fr)
GB (1) GB2249871B (fr)
IT (1) IT1251210B (fr)
SE (1) SE514374C2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5322325A (en) * 1989-10-19 1994-06-21 Breed Automotive Technology, Inc. Safing velocity change sensor
US5178410A (en) * 1991-06-14 1993-01-12 Breed Automotive Technology, Inc. Velocity change sensor with lateral shock absorber
FR2681695B1 (fr) * 1991-09-24 1997-01-10 Breed Automotive Tech Detecteur de variation de vitesse de securite.
DE4140691A1 (de) * 1991-12-10 1993-06-17 Trw Repa Gmbh Fahrzeugsensitiver mechanischer kontaktgeber
US6199874B1 (en) 1993-05-26 2001-03-13 Cornell Research Foundation Inc. Microelectromechanical accelerometer for automotive applications
US6149190A (en) * 1993-05-26 2000-11-21 Kionix, Inc. Micromechanical accelerometer for automotive applications
US5472231A (en) * 1994-04-25 1995-12-05 France; John J. Retrofit airbag system for vehicles
JPH08105911A (ja) * 1994-10-06 1996-04-23 Nippon Soken Inc 衝突検出装置
US5642902A (en) * 1995-09-14 1997-07-01 France; John Josh Retrofit airbag system for vehicles
US5756948A (en) * 1996-12-31 1998-05-26 Breed Automotive Technology, Inc. Side-impact electro-mechanical accelerometer to actuate a vehicular safety device
US5845730A (en) * 1996-12-31 1998-12-08 Breed Automotive Technology, Inc. Electro-mechanical accelerometer to actuate a vehicular safety device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3141936A (en) * 1962-10-17 1964-07-21 John M Boyle Conductive springs and ball acceleration switch
US3509299A (en) * 1968-11-25 1970-04-28 Garrett Corp Acceleration sensor switch
US3623449A (en) * 1969-08-15 1971-11-30 Vexiler Inc Impact acceleration indicator
US3655929A (en) * 1970-10-23 1972-04-11 Ford Motor Co Device for detecting and signalling a change of more than a prescribed amount in the rate of movement of an object
US3812726A (en) * 1972-09-28 1974-05-28 Technar Inc Velocity responsive apparatus
US3889130A (en) * 1973-06-04 1975-06-10 Breed Corp Mass in liquid vehicular crash sensor
US4116132A (en) * 1976-12-17 1978-09-26 Technar Incorporated Inertial sensors
SE402557B (sv) * 1977-01-13 1978-07-10 Foerenade Fabriksverken Kollisionsdetektor
US4329549A (en) 1980-04-29 1982-05-11 Breed Corporation Magnetically biased velocity change sensor
US4594485A (en) * 1985-04-04 1986-06-10 Brown Jr Milton F Impact sensor
US4816627A (en) * 1987-12-24 1989-03-28 Ford Motor Company Fluid damped acceleration sensor
US4900880A (en) * 1988-08-15 1990-02-13 Automotive Technologies International, Inc. Gas damped crash sensor
US4857680A (en) * 1988-12-22 1989-08-15 Ford Motor Company Acceleration sensor

Also Published As

Publication number Publication date
FR2667031A1 (fr) 1992-03-27
IT1251210B (it) 1995-05-04
DE4130897C2 (de) 1997-05-15
DE4130897A1 (de) 1992-03-26
SE9102744D0 (sv) 1991-09-23
FR2667031B1 (fr) 1994-01-14
GB2249871B (en) 1994-09-21
SE9102744L (sv) 1992-03-25
ITTO910714A1 (it) 1993-03-20
CA2052025C (fr) 1995-10-31
GB2249871A (en) 1992-05-20
JP3160026B2 (ja) 2001-04-23
CA2052025A1 (fr) 1992-03-25
US5098122A (en) 1992-03-24
ITTO910714A0 (it) 1991-09-20
GB9118987D0 (en) 1991-10-23
JPH0682470A (ja) 1994-03-22

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Legal Events

Date Code Title Description
NUG Patent has lapsed