JPH0318136B2 - - Google Patents
Info
- Publication number
- JPH0318136B2 JPH0318136B2 JP10104682A JP10104682A JPH0318136B2 JP H0318136 B2 JPH0318136 B2 JP H0318136B2 JP 10104682 A JP10104682 A JP 10104682A JP 10104682 A JP10104682 A JP 10104682A JP H0318136 B2 JPH0318136 B2 JP H0318136B2
- Authority
- JP
- Japan
- Prior art keywords
- bandwidth
- piezoelectric element
- resonance
- resonant
- frequency
- 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
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
- G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
- G01L23/222—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines using piezoelectric devices
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10104682A JPS58216919A (ja) | 1982-06-11 | 1982-06-11 | 内燃機関用圧電共振型ノックセンサーの共振帯域幅調整方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10104682A JPS58216919A (ja) | 1982-06-11 | 1982-06-11 | 内燃機関用圧電共振型ノックセンサーの共振帯域幅調整方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58216919A JPS58216919A (ja) | 1983-12-16 |
| JPH0318136B2 true JPH0318136B2 (en]) | 1991-03-11 |
Family
ID=14290182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10104682A Granted JPS58216919A (ja) | 1982-06-11 | 1982-06-11 | 内燃機関用圧電共振型ノックセンサーの共振帯域幅調整方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58216919A (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60256730A (ja) * | 1984-06-01 | 1985-12-18 | Matsushita Electric Ind Co Ltd | 暖房装置 |
| JPS6117916A (ja) * | 1984-07-04 | 1986-01-25 | Matsushita Electric Ind Co Ltd | ノツクセンサ |
-
1982
- 1982-06-11 JP JP10104682A patent/JPS58216919A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58216919A (ja) | 1983-12-16 |
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