CA1111932A - Viscous damped crash sensor - Google Patents
Viscous damped crash sensorInfo
- Publication number
- CA1111932A CA1111932A CA284,788A CA284788A CA1111932A CA 1111932 A CA1111932 A CA 1111932A CA 284788 A CA284788 A CA 284788A CA 1111932 A CA1111932 A CA 1111932A
- Authority
- CA
- Canada
- Prior art keywords
- mass
- bore
- sensor
- velocity
- gas
- 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
Links
- 239000000463 material Substances 0.000 claims description 13
- 230000036316 preload Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 230000000979 retarding effect Effects 0.000 claims description 3
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims 2
- 230000005484 gravity Effects 0.000 claims 2
- 230000003213 activating effect Effects 0.000 abstract description 3
- 238000012937 correction Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229920006068 Minlon® Polymers 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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
- H01H35/141—Details
- H01H35/142—Damping means to avoid unwanted response
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/720,867 US4097699A (en) | 1976-09-07 | 1976-09-07 | Viscous damped crash sensor unit with inertia switch |
| US720,867 | 1976-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1111932A true CA1111932A (en) | 1981-11-03 |
Family
ID=24895580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA284,788A Expired CA1111932A (en) | 1976-09-07 | 1977-08-16 | Viscous damped crash sensor |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4097699A (enExample) |
| JP (1) | JPS5332778A (enExample) |
| CA (1) | CA1111932A (enExample) |
| DE (1) | DE2740342A1 (enExample) |
| FR (1) | FR2363338A1 (enExample) |
| GB (1) | GB1586611A (enExample) |
| IT (1) | IT1087656B (enExample) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS545578A (en) * | 1977-06-15 | 1979-01-17 | Nippon Denso Co | Device for detecting collision |
| DE2906132A1 (de) | 1979-02-17 | 1980-08-28 | Bayer Ag | Verfahren zur herstellung kationischer anthrachinon-farbstoffe |
| US4536629A (en) * | 1983-11-03 | 1985-08-20 | Technar, Incorporated | Gas damped acceleration switch |
| US5856645A (en) * | 1987-03-02 | 1999-01-05 | Norton; Peter | Crash sensing switch |
| JPH0416333Y2 (enExample) * | 1987-09-04 | 1992-04-13 | ||
| JPH0439629Y2 (enExample) * | 1987-09-04 | 1992-09-17 | ||
| US5571994A (en) * | 1988-05-04 | 1996-11-05 | Norton; Peter | Weatherproof seal for wire entrance |
| US4873401A (en) * | 1988-09-19 | 1989-10-10 | Bendix Electronics Limited | Electromagnetic damped inertia sensor |
| US4857680A (en) * | 1988-12-22 | 1989-08-15 | Ford Motor Company | Acceleration sensor |
| US5031931A (en) * | 1989-12-06 | 1991-07-16 | Breed Automotive Corporation | Velocity change sensor with spring bias |
| SE513091C2 (sv) * | 1989-10-06 | 2000-07-03 | Breed Automotive Tech | Accelerometer för avkänning av hastighetsförändringar hos ett fordon |
| DE4031327A1 (de) * | 1989-10-06 | 1991-04-11 | Breed Automotive Tech | Beschleunigungssensor, insbesondere fuer insassen-rueckhaltesysteme in einem kraftfahrzeug |
| US5005861A (en) * | 1989-10-19 | 1991-04-09 | Breed Automotive Technology, Inc. | Velocity change sensor with double pole sensor |
| US5011182A (en) * | 1989-10-06 | 1991-04-30 | Breed Automotive Technology, Inc. | Velocity change sensor with contact retainer |
| JPH03181864A (ja) * | 1989-11-29 | 1991-08-07 | Breed Automot Technol Inc | 速度センサー |
| JP2704779B2 (ja) * | 1989-12-15 | 1998-01-26 | 本田技研工業株式会社 | 加速度検知装置 |
| US5053588A (en) * | 1990-02-20 | 1991-10-01 | Trw Technar Inc. | Calibratable crash sensor |
| US5010217A (en) * | 1990-02-26 | 1991-04-23 | Siemens Automotive Limited | Inertia switch mounting housing |
| US5059751A (en) * | 1990-08-27 | 1991-10-22 | Siemens Automotive Limited | Combination arming/discriminating inertia switch |
| JP3028610B2 (ja) * | 1990-12-25 | 2000-04-04 | タカタ株式会社 | 加速度センサ |
| US5178410A (en) * | 1991-06-14 | 1993-01-12 | Breed Automotive Technology, Inc. | Velocity change sensor with lateral shock absorber |
| CA2094589A1 (en) * | 1991-09-13 | 1993-03-14 | Peter Norton | Crash sensing switch |
| JP3351218B2 (ja) * | 1996-01-31 | 2002-11-25 | 三菱電機株式会社 | 加速度検知装置 |
| US5684336A (en) * | 1996-03-04 | 1997-11-04 | Trw Inc. | Crash sensor assembly including both an inertia sensor and an accelerometer and method |
| US6139053A (en) * | 1998-04-14 | 2000-10-31 | Autoliv Asp, Inc. | Single point acceleration sensor |
| JP4245121B2 (ja) * | 2002-07-03 | 2009-03-25 | 三菱電機株式会社 | 加速度検知装置 |
| US7013736B2 (en) * | 2004-05-05 | 2006-03-21 | Knox Matthew J | Sensor for belt retractor |
| US20080053537A1 (en) * | 2006-08-31 | 2008-03-06 | Honeywell International, Inc. | Check valve assembly including position indicator and method of operation |
| US20080217458A1 (en) * | 2007-03-05 | 2008-09-11 | Autoliv Asp, Inc. | Hybrid vehicle sensitive seat belt retractor inertial locking system |
| DE102009052495B8 (de) | 2009-11-11 | 2012-03-22 | Autoliv Development Ab | Selbstsperrender Gurtaufroller |
| US9434347B2 (en) | 2012-12-10 | 2016-09-06 | Autoliv Asp, Inc. | Low noise, debris tolerant retractor inertial sensor |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3001043A (en) * | 1954-06-08 | 1961-09-19 | Harold E Evans | Inertial and centrifugally operated switch |
| US3083276A (en) * | 1959-06-08 | 1963-03-26 | Honeywell Regulator Co | Integrating accelerometer |
| US3022393A (en) * | 1959-12-23 | 1962-02-20 | Maxson Electronics Corp | Acceleration switch |
| US3038973A (en) * | 1961-02-06 | 1962-06-12 | Alpert Louis | Impact switch |
| US3096411A (en) * | 1961-08-24 | 1963-07-02 | Alex F Chabrek | Acceleration responsive switch |
| US3217121A (en) * | 1962-08-27 | 1965-11-09 | Bendix Corp | Acceleration switch |
| US3553482A (en) * | 1968-07-10 | 1971-01-05 | Tavis Corp | Acceleration switch |
| US3715535A (en) * | 1971-07-20 | 1973-02-06 | Atomic Energy Commission | Acceleration actuated switch |
| US3889130A (en) * | 1973-06-04 | 1975-06-10 | Breed Corp | Mass in liquid vehicular crash sensor |
| US3974350A (en) * | 1974-07-24 | 1976-08-10 | Breed Corporation | Gas damped vehicular crash sensor with gas being dominant biasing force on sensor |
-
1976
- 1976-09-07 US US05/720,867 patent/US4097699A/en not_active Expired - Lifetime
-
1977
- 1977-08-12 GB GB34003/77A patent/GB1586611A/en not_active Expired
- 1977-08-16 CA CA284,788A patent/CA1111932A/en not_active Expired
- 1977-08-31 IT IT27131/77A patent/IT1087656B/it active
- 1977-09-05 JP JP10597677A patent/JPS5332778A/ja active Pending
- 1977-09-05 FR FR7726838A patent/FR2363338A1/fr active Granted
- 1977-09-07 DE DE19772740342 patent/DE2740342A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2740342A1 (de) | 1978-03-09 |
| GB1586611A (en) | 1981-03-25 |
| US4097699A (en) | 1978-06-27 |
| FR2363338B1 (enExample) | 1982-06-25 |
| FR2363338A1 (fr) | 1978-03-31 |
| JPS5332778A (en) | 1978-03-28 |
| IT1087656B (it) | 1985-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1111932A (en) | Viscous damped crash sensor | |
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| US4329549A (en) | Magnetically biased velocity change sensor | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |