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CA2027927A1 - Accelerometre avec ressort de positionnement - Google Patents

Accelerometre avec ressort de positionnement

Info

Publication number
CA2027927A1
CA2027927A1 CA2027927A CA2027927A CA2027927A1 CA 2027927 A1 CA2027927 A1 CA 2027927A1 CA 2027927 A CA2027927 A CA 2027927A CA 2027927 A CA2027927 A CA 2027927A CA 2027927 A1 CA2027927 A1 CA 2027927A1
Authority
CA
Canada
Prior art keywords
spring bias
velocity change
change sensor
inertial element
preselected position
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.)
Granted
Application number
CA2027927A
Other languages
English (en)
Other versions
CA2027927C (fr
Inventor
Torbjorn Thuen
Harald S. Husby
Allen K. Breed
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.)
Breed Automotive Technology Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2027927A1 publication Critical patent/CA2027927A1/fr
Application granted granted Critical
Publication of CA2027927C publication Critical patent/CA2027927C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
CA002027927A 1989-12-06 1990-10-18 Accelerometre avec ressort de positionnement Expired - Fee Related CA2027927C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/447,108 US5031931A (en) 1989-12-06 1989-12-06 Velocity change sensor with spring bias
US447,108 1989-12-06

Publications (2)

Publication Number Publication Date
CA2027927A1 true CA2027927A1 (fr) 1991-06-07
CA2027927C CA2027927C (fr) 1995-10-31

Family

ID=23775023

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002027927A Expired - Fee Related CA2027927C (fr) 1989-12-06 1990-10-18 Accelerometre avec ressort de positionnement

Country Status (3)

Country Link
US (1) US5031931A (fr)
JP (1) JPH03182025A (fr)
CA (1) CA2027927C (fr)

Families Citing this family (16)

* 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
US5237134A (en) * 1989-12-06 1993-08-17 Breed Automotive Technology, Inc. Gas damped crash sensor
US5217252A (en) * 1990-04-17 1993-06-08 Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho Actuator for use in emergency situation of vehicle
US5197757A (en) * 1991-06-14 1993-03-30 Breed Automotive Technology, Inc. Mechanical crash sensor
US5244229A (en) * 1991-06-14 1993-09-14 Breed Automotive Technology, Inc. Mechanical crash sensor
US6234519B1 (en) * 1991-07-09 2001-05-22 Automotive Technologies International Inc. Arrangements and methods for controlling deployment of a vehicular occupant restraint device
US7635043B2 (en) 1991-07-09 2009-12-22 Automotive Technologies International, Inc. Crash sensor arrangement for controlling deployment of an occupant restraint device
US6557889B2 (en) 1991-07-09 2003-05-06 Automotive Technologies International Inc. Crush velocity sensing vehicle crash sensor
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
JPH0920205A (ja) * 1995-07-07 1997-01-21 Mitsubishi Electric Corp 乗員保護装置及びその起動装置
US5842717A (en) * 1996-06-29 1998-12-01 Volkswagen Ag Motor vehicle occupant protection arrangement
US5845730A (en) * 1996-12-31 1998-12-08 Breed Automotive Technology, Inc. Electro-mechanical accelerometer to actuate a vehicular safety device
US5756948A (en) * 1996-12-31 1998-05-26 Breed Automotive Technology, Inc. Side-impact electro-mechanical accelerometer to actuate a vehicular safety device
US6282942B1 (en) 2000-01-19 2001-09-04 Breed Automotive Technology, Inc. Crash sensor with magnetic field sensor
AR053763A1 (es) * 2005-09-13 2007-05-23 Carlos Maria Trevisi Sistema apto para la senalizacion y localizacion de vehiculos accidentados, detenidos o con desperfectos mecanicos.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623449A (en) * 1969-08-15 1971-11-30 Vexiler Inc Impact acceleration indicator
US3673367A (en) * 1970-11-04 1972-06-27 Eaton Corp Crash sensor
US3688063A (en) * 1971-02-22 1972-08-29 Technar Inc Crash sensing switch
US4020302A (en) * 1975-02-21 1977-04-26 Nissan Motor Co., Ltd. Sensor having spring biasing structure to retain conductive bridging inertial mass in a non-operative position
JPS51124479A (en) * 1975-04-23 1976-10-29 Nissan Motor Co Ltd Acceleration detector
US4097699A (en) * 1976-09-07 1978-06-27 Eaton Corporation Viscous damped crash sensor unit with inertia switch
US4284863A (en) * 1979-05-09 1981-08-18 Breed Corporation Velocity change sensor
US4266107A (en) * 1979-08-20 1981-05-05 The United States Of America As Represented By The United States Department Of Energy Acceleration switch
GB2086484B (en) * 1980-10-30 1984-04-26 Manwaring Alan Motor vehicle overrunning fuel cut-off control
US4594485A (en) * 1985-04-04 1986-06-10 Brown Jr Milton F Impact sensor
DE3713698C1 (de) * 1987-04-24 1988-07-14 Hopt & Schuler Ddm Beschleunigungsschalter
US4900880A (en) * 1988-08-15 1990-02-13 Automotive Technologies International, Inc. Gas damped crash sensor

Also Published As

Publication number Publication date
CA2027927C (fr) 1995-10-31
US5031931A (en) 1991-07-16
JPH03182025A (ja) 1991-08-08

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed