Lift pump for filter module
US5915926A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1996 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Apr 19, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D35/306
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fuel filter assembly of modular form is adapted to incorporate a lift pump or an automatic primer. The lift pump is mounted to the filter base by means of a lock ring. Fuel supplied to the filter base inlet is supplied to a rotary vane-type or gerotor pump which may be electrically activated from the vehicle console or a location remote from the fuel filter assembly. The lift pump regulates the fuel pressure to provide a sufficient fuel flow through the supply system and the filter for ultimate delivery to the fuel injection pump or engine. The pump/filter flow sequence is bi-directional and may be selected by the angular position of an adapter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.