Throttle valve opening sensor
US4719795A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1986 |
| Grant date | Jan 19, 1988 |
| Priority date | — |
| Expiry date | Nov 7, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B7/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a throttle valve opening sensor including a substrate provided with an opening detecting portion for detecting openings of a throttle valve and a specific opening detecting portion for detecting a specific opening of the throttle valve, the specific opening detecting portion consisting of a collector and a conductor, a rotor adapted to be rotated in association with rotation of the throttle valve, and first and second contacts mounted to the rotor and adapted to slide on the opening detecting portion and the specific opening detecting portion, thereby detecting the openings and the specific opening of the throttle valve; the improvement is characterized in that the collector and the conductor of the specific opening detecting portion comprises a metal conductor, and that a resin member is arranged on the substrate in connection with the collector and the conductor, the resin member being made substantially flush with the collector and the conductor, wherein the second contact is slid on the resin member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.