CA1057846A - Piezoelectric stack insulation - Google Patents
Piezoelectric stack insulationInfo
- Publication number
- CA1057846A CA1057846A CA236,869A CA236869A CA1057846A CA 1057846 A CA1057846 A CA 1057846A CA 236869 A CA236869 A CA 236869A CA 1057846 A CA1057846 A CA 1057846A
- Authority
- CA
- Canada
- Prior art keywords
- discs
- fluid
- dielectric
- piezoelectric
- stack
- 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
- 238000009413 insulation Methods 0.000 title claims description 12
- 239000012530 fluid Substances 0.000 claims abstract description 49
- 239000002245 particle Substances 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000003989 dielectric material Substances 0.000 claims 5
- 239000011343 solid material Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229960005088 urethane Drugs 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002730 additional 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
- H10N30/503—Piezoelectric or electrostrictive devices having a stacked or multilayer structure having a non-rectangular cross-section in a plane orthogonal to the stacking direction, e.g. polygonal or circular in top view
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/88—Mounts; Supports; Enclosures; Casings
- H10N30/883—Additional insulation means preventing electrical, physical or chemical damage, e.g. protective coatings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating Pumps (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51178774A | 1974-10-03 | 1974-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1057846A true CA1057846A (en) | 1979-07-03 |
Family
ID=24036448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA236,869A Expired CA1057846A (en) | 1974-10-03 | 1975-10-02 | Piezoelectric stack insulation |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5510153B2 (ja) |
| AU (1) | AU506789B2 (ja) |
| BR (1) | BR7506398A (ja) |
| CA (1) | CA1057846A (ja) |
| ES (1) | ES441496A1 (ja) |
| FR (1) | FR2287111A1 (ja) |
| GB (1) | GB1525248A (ja) |
| IT (1) | IT1043080B (ja) |
| MX (1) | MX143980A (ja) |
| SE (1) | SE405661B (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8105502A (nl) * | 1981-12-08 | 1983-07-01 | Philips Nv | Werkwijze voor het vervaardigen van een piezo-elektrische inrichting alsmede een inrichting vervaardigd volgens deze werkwijze. |
| EP0094078B1 (en) * | 1982-05-11 | 1988-11-02 | Nec Corporation | Multilayer electrostrictive element which withstands repeated application of pulses |
| US4803393A (en) * | 1986-07-31 | 1989-02-07 | Toyota Jidosha Kabushiki Kaisha | Piezoelectric actuator |
| JPH01144690A (ja) * | 1987-11-30 | 1989-06-06 | Ohkura Electric Co Ltd | 積層圧電アクチュエータ |
| JPH02250678A (ja) * | 1989-03-23 | 1990-10-08 | Tokin Corp | 積層型圧電アクチュエータ |
| DE10121270A1 (de) | 2001-04-30 | 2003-02-06 | Epcos Ag | Passivierungsmaterial für ein elektrisches Bauteil sowie piezoelektrisches Bauteil in Vielschichtbauweise |
| EP2079113B1 (en) * | 2008-01-09 | 2013-03-13 | Delphi Technologies Holding S.à.r.l. | Gas pressurised encapsulation for an actuator |
-
1975
- 1975-10-01 AU AU85344/75A patent/AU506789B2/en not_active Expired
- 1975-10-01 MX MX161009A patent/MX143980A/es unknown
- 1975-10-02 IT IT27904/75A patent/IT1043080B/it active
- 1975-10-02 CA CA236,869A patent/CA1057846A/en not_active Expired
- 1975-10-02 BR BR7506398*A patent/BR7506398A/pt unknown
- 1975-10-02 GB GB40433/75A patent/GB1525248A/en not_active Expired
- 1975-10-02 SE SE7511059A patent/SE405661B/xx unknown
- 1975-10-03 JP JP11966075A patent/JPS5510153B2/ja not_active Expired
- 1975-10-03 ES ES441496A patent/ES441496A1/es not_active Expired
- 1975-10-03 FR FR7530425A patent/FR2287111A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| MX143980A (es) | 1981-08-17 |
| JPS5510153B2 (ja) | 1980-03-14 |
| IT1043080B (it) | 1980-02-20 |
| FR2287111A1 (fr) | 1976-04-30 |
| DE2544140A1 (de) | 1976-04-08 |
| JPS5185390A (ja) | 1976-07-26 |
| GB1525248A (en) | 1978-09-20 |
| SE7511059L (sv) | 1976-04-05 |
| ES441496A1 (es) | 1977-08-01 |
| SE405661B (sv) | 1978-12-18 |
| FR2287111B1 (ja) | 1979-04-06 |
| AU506789B2 (en) | 1980-01-24 |
| AU8534475A (en) | 1977-04-07 |
| BR7506398A (pt) | 1976-08-10 |
| DE2544140B2 (de) | 1977-03-10 |
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