DE3905844C2 - - Google Patents
Info
- Publication number
- DE3905844C2 DE3905844C2 DE3905844A DE3905844A DE3905844C2 DE 3905844 C2 DE3905844 C2 DE 3905844C2 DE 3905844 A DE3905844 A DE 3905844A DE 3905844 A DE3905844 A DE 3905844A DE 3905844 C2 DE3905844 C2 DE 3905844C2
- Authority
- DE
- Germany
- Prior art keywords
- acceleration
- elastic
- housing
- hardness
- filling material
- 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 - Fee Related
Links
- 230000001133 acceleration Effects 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 34
- 239000000945 filler Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 9
- 239000004848 polyfunctional curative Substances 0.000 claims description 8
- 229920001187 thermosetting polymer Polymers 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229940127573 compound 38 Drugs 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- PIDFDZJZLOTZTM-KHVQSSSXSA-N ombitasvir Chemical compound COC(=O)N[C@@H](C(C)C)C(=O)N1CCC[C@H]1C(=O)NC1=CC=C([C@H]2N([C@@H](CC2)C=2C=CC(NC(=O)[C@H]3N(CCC3)C(=O)[C@@H](NC(=O)OC)C(C)C)=CC=2)C=2C=CC(=CC=2)C(C)(C)C)C=C1 PIDFDZJZLOTZTM-KHVQSSSXSA-N 0.000 description 2
- VIJSPAIQWVPKQZ-BLECARSGSA-N (2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-acetamido-5-(diaminomethylideneamino)pentanoyl]amino]-4-methylpentanoyl]amino]-4,4-dimethylpentanoyl]amino]-4-methylpentanoyl]amino]propanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid Chemical compound NC(=N)NCCC[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)(C)C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCNC(N)=N)NC(C)=O VIJSPAIQWVPKQZ-BLECARSGSA-N 0.000 description 1
- 229920000965 Duroplast Polymers 0.000 description 1
- 239000004638 Duroplast Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/04—Measuring characteristics of vibrations in solids by using direct conduction to the detector of vibrations which are transverse to direction of propagation
- G01H1/08—Amplitude
-
- 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
- G01P15/09—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 piezoelectric pick-up
- G01P15/0907—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 piezoelectric pick-up of the compression mode type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988025182U JPH01132972U (US07922777-20110412-C00004.png) | 1988-02-29 | 1988-02-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3905844A1 DE3905844A1 (de) | 1989-08-31 |
| DE3905844C2 true DE3905844C2 (US07922777-20110412-C00004.png) | 1991-10-24 |
Family
ID=12158852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3905844A Granted DE3905844A1 (de) | 1988-02-29 | 1989-02-24 | Beschleunigungsdetektor |
Country Status (4)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19524146A1 (de) * | 1995-07-03 | 1997-01-09 | Bosch Gmbh Robert | Druckhülse |
| DE19829408A1 (de) * | 1998-07-01 | 2000-01-13 | Bosch Gmbh Robert | Schwingungsaufnehmer mit einer Druckhülse |
| DE19612540B4 (de) * | 1995-07-03 | 2004-04-22 | Robert Bosch Gmbh | Schwingungsaufnehmer mit Druckhülse |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978883A (en) * | 1988-10-12 | 1990-12-18 | Mitsubishi Denki Kabushiki Kaisha | Vibration detecting device |
| US5661361A (en) * | 1995-08-29 | 1997-08-26 | Pruftechnik Dieter Busch Ag | Balanced compression accelerometer |
| FR2762646B1 (fr) * | 1997-04-29 | 1999-07-02 | Siemens Automotive Sa | Capteur de cliquetis pour un vehicule automobile |
| US6336365B1 (en) * | 1999-08-24 | 2002-01-08 | Personal Electronic Devices, Inc. | Low-cost accelerometer |
| JP4558179B2 (ja) * | 2000-11-30 | 2010-10-06 | 日本特殊陶業株式会社 | 圧力センサユニット及びその取付構造 |
| US10416025B1 (en) * | 2013-10-28 | 2019-09-17 | Amphenol (Maryland), Inc. | Electrically isolated vibration sensor |
| SG10202009336PA (en) | 2016-10-13 | 2020-10-29 | South East Water Corp | Vibration sensor for fluid leak detection |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3339090A (en) * | 1963-10-15 | 1967-08-29 | Jaffe Hans | Piezoelectric impact fuze |
| US4030396A (en) * | 1975-10-17 | 1977-06-21 | Mariner Ralph E | Acoustic pickups |
| US4336707A (en) * | 1979-06-04 | 1982-06-29 | Nippon Soken, Inc. | Knock detecting apparatus for internal combustion engines |
| DE3037835C2 (de) * | 1980-10-07 | 1982-11-18 | Daimler-Benz Ag, 7000 Stuttgart | Beschleunigungsaufnehmer |
| JPS6023730A (ja) * | 1984-05-31 | 1985-02-06 | Matsushita Electric Ind Co Ltd | 給湯器 |
| DE3424005A1 (de) * | 1984-06-29 | 1986-01-02 | Robert Bosch Gmbh, 7000 Stuttgart | Ausloesevorrichtung fuer rueckhaltsysteme in kraftfahrzeugen |
| US4660409A (en) * | 1984-12-18 | 1987-04-28 | Ngk Spark Plug Co., Ltd. | Piezoelectric pick-up device for internal combustion engine |
| JPH0623730A (ja) * | 1992-07-10 | 1994-02-01 | Kubota Corp | セラミックスパイプの製造方法 |
-
1988
- 1988-02-29 JP JP1988025182U patent/JPH01132972U/ja active Pending
-
1989
- 1989-02-22 KR KR2019890001834U patent/KR920005347Y1/ko not_active IP Right Cessation
- 1989-02-24 DE DE3905844A patent/DE3905844A1/de active Granted
- 1989-02-28 US US07/316,824 patent/US4982599A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19524146A1 (de) * | 1995-07-03 | 1997-01-09 | Bosch Gmbh Robert | Druckhülse |
| DE19612540B4 (de) * | 1995-07-03 | 2004-04-22 | Robert Bosch Gmbh | Schwingungsaufnehmer mit Druckhülse |
| DE19829408A1 (de) * | 1998-07-01 | 2000-01-13 | Bosch Gmbh Robert | Schwingungsaufnehmer mit einer Druckhülse |
| DE19829408C2 (de) * | 1998-07-01 | 2003-07-24 | Bosch Gmbh Robert | Schwingungsaufnehmer mit einer Druckhülse |
Also Published As
| Publication number | Publication date |
|---|---|
| KR920005347Y1 (ko) | 1992-08-03 |
| DE3905844A1 (de) | 1989-08-31 |
| KR890018023U (ko) | 1989-09-08 |
| US4982599A (en) | 1991-01-08 |
| JPH01132972U (US07922777-20110412-C00004.png) | 1989-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |