Fuel injection control apparatus
US4412520A · kind A · utility
17Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1981 |
| Grant date | Nov 1, 1983 |
| Priority date | — |
| Expiry date | Jul 28, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2200/0406
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A fuel injection control apparatus having a pressure detection device for detecting pneumatic pressure in an intake manifold of an internal combustion engine comprises a pressure transducer and a low-pass filter, electrically connected to the transducer, for transmitting an electrical signal from the transducer below a cutoff frequency which is determined to be a frequency equal to or lower than 40 Hz.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.