Cooling system for automotive engine or the like
US4669426A · kind A · utility
12Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1986 |
| Grant date | Jun 2, 1987 |
| Priority date | — |
| Expiry date | Jan 29, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P3/2285
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In order to diagnose a malfunction an evaporative cooling system upon the engine being initially started or in response to a demand for engine operation (e.g. cranking of the engine) the outputs of a sensor or sensors are monitored and diagnostic check of the system performed to determine if the sensors and or valves of the system are operating properly. In the event that a malfunction is indicated a warning is issued and/or the operation of the engine prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.