Canister oil filter with improved filter sealing
US6027646A · kind A · utility
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11References
11Claims
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Inventor
Key dates
| Filing date | Apr 6, 1998 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Apr 6, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01M2001/1057
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A canister oil filter for an internal combustion engine comprising a plurality of filter elements with seals on each end of each filter, the filters being stacked end to end within the tubular housing, an oil inlet and outlet disposed in one end of the canister and a spring biased retainer collar, which keeps pressure on all of the end seals, disposed in the same end of the canister as the oil inlet and outlet with the bias of the spring and the force from the impinging incoming oil acting generally in the same direction, to form a canister with improved filter sealing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.