JPS5548612A - Detector for intake air quantity - Google Patents
Detector for intake air quantityInfo
- Publication number
- JPS5548612A JPS5548612A JP12202378A JP12202378A JPS5548612A JP S5548612 A JPS5548612 A JP S5548612A JP 12202378 A JP12202378 A JP 12202378A JP 12202378 A JP12202378 A JP 12202378A JP S5548612 A JPS5548612 A JP S5548612A
- Authority
- JP
- Japan
- Prior art keywords
- intake air
- air quantity
- voltex
- flow tube
- shield
- 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.)
- Pending
Links
Abstract
PURPOSE: To minimize the detectable maximum air quantity by dividing part of the flow tube path into plural parts with addition of the eddy generator each and at the same time providing the masking shield which closes when the intake air quantity becomes less than the fixed level to one of the divided flow tube paths.
CONSTITUTION: Masking shield 6 closes by eddy spring 7 when the intake air quantity is small, and thus the intake air passes through only divided flow tube path 1a. And the Karman voltex is produced by voltex generator 4, and the generation frequency of the voltex is detected by the hot wire within pierced path 4a. With increment of the intake air quantity, shield 6 has the rotary motion continuously until the balance is secured between the dynamic pressure applied to shield 6 and the elasticity of spring 7 caused by the displacement of the dynamic pressure. As a result, the flow is caused also at divided flow tube path 1b, and the Karman voltex is generated by voltex generator 5. The intake air quantity in this is case is proportional to the generation frequency of the Karman voltex generated by generators 4 and 5. Thus a detector, featuring a small pressure loss even with a large intake air quantity as well as a small detectable minimum intake air quantity, can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12202378A JPS5548612A (en) | 1978-10-05 | 1978-10-05 | Detector for intake air quantity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12202378A JPS5548612A (en) | 1978-10-05 | 1978-10-05 | Detector for intake air quantity |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5548612A true JPS5548612A (en) | 1980-04-07 |
Family
ID=14825665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12202378A Pending JPS5548612A (en) | 1978-10-05 | 1978-10-05 | Detector for intake air quantity |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5548612A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4941361A (en) * | 1988-06-20 | 1990-07-17 | Lew Hyok S | Three-in-one flowmeter |
US5121658A (en) * | 1988-06-20 | 1992-06-16 | Lew Hyok S | Mass-volume flowmeter |
-
1978
- 1978-10-05 JP JP12202378A patent/JPS5548612A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4941361A (en) * | 1988-06-20 | 1990-07-17 | Lew Hyok S | Three-in-one flowmeter |
US5121658A (en) * | 1988-06-20 | 1992-06-16 | Lew Hyok S | Mass-volume flowmeter |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5548612A (en) | Detector for intake air quantity | |
JPS53323A (en) | Exhaust circulation control system | |
JPS5315610A (en) | Screw fluid machine | |
JPS5657913A (en) | Flow speed or flow rate measuring device | |
JPS53145686A (en) | Karman's vortex flow speed meter | |
JPS5320109A (en) | Rotor and fluid machine utilizing the same | |
JPS54663A (en) | Flow speed and rate meter | |
JPS55109921A (en) | Flow rate measuring instrument | |
JPS53149360A (en) | Flow velocity and flow rate measuring apparatus | |
JPS5364063A (en) | Meter for flow velocity and rate | |
JPS5258561A (en) | Current meter | |
JPS5334007A (en) | Misfire detector for gas turbine | |
JPS5389764A (en) | Eddy current flow meter | |
JPS566113A (en) | Karman vortex flowmeter | |
JPS52107406A (en) | Vehicle plate fitting structure | |
JPS5322655A (en) | Hot air generator for clothe dryer | |
JPS5441793A (en) | Leakage tester | |
JPS5341261A (en) | Air inlet air flow detector | |
JPS55112519A (en) | Karman vortex flow meter | |
JPS5324905A (en) | Total flow turbine nozzle | |
JPS52132867A (en) | Flow measurement of open channel | |
JPS5351748A (en) | Object detector | |
JPS51126174A (en) | Flow velocity measurement apparatus | |
JPS52114801A (en) | Stress computer for turbine rotor | |
JPS52131005A (en) | Steam turbine nozzle blade |