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Oil filter housing

An oil filter and housing technology, applied in the field of oil filter access, can solve the problem of not using a spin-on oil filter and the like

Inactive Publication Date: 2008-09-17
KOHLER CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Oil filter housing designs exist to overcome the problems with the above designs (access to filter, spillage during maintenance, and for refueling), but these designs do not use spin-on oil filters

Method used

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Examples

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Embodiment Construction

[0021] In at least some embodiments, the invention includes a two-piece, generally cylindrical housing having lower and upper housing units constructed of plastic, aluminum, or other such suitable material. The lower housing unit may be formed integrally with the engine crankcase, or may be a separate component mounted to the engine crankcase (design shown as separate mount). The bottom surface of the lower housing unit includes: a male threaded portion extending upwardly from the bottom surface (for mounting the spin-on oil filter) and a concentric flat gasket surface (for sealing against the spin-on oil filter gasket ). The lower housing unit has threaded or quarter-turn type formations on the outer wall to facilitate attachment to the upper housing unit (quarter-turn configuration shown).

[0022] Spin-on oil filters are well known in the art. One end of the filter has a threaded hole for engaging a spin-on mount, and an opening to allow oil in and out. This end is consi...

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Abstract

A spin-on oil filter can be mounted in an easily accessible position on an engine by means of an oil filter housing comprising a lower housing unit, which comprises an open-topped chamber, and an upper housing unit. A male threaded portion, adapted to mount a spin-on oil filter, extends up from the bottom surface of the lower housing unit. A flat gasket sealing surface is located on the bottom surface, wherein the gasket surface is perpendicular with the male threaded portion. The housing comprises three passages: (i) a first passage adapted to permit flow of dirty oil to an oil filter mounted on the male threaded portion; (ii) a second passage adapted to permit flow of filtered oil away from an oil filter mounted on the male threaded portion; and, (iii) a third passage adapted to permit drainage of oil from the open-topped chamber. The upper housing unit is removably attached to the lower housing unit, and is adapted to cover the open-topped chamber. Methods of maintaining the filter and of adding refill oil are facilitated by this housing.

Description

technical field [0001] The present invention relates generally to oil filters for internal combustion engines, and more particularly to providing easier oil filter access. Background technique [0002] Many small utility engines are provided with oil filters to remove harmful contaminants from the engine lubricating oil, thereby extending the life of the engine. The most common type of oil filter is the automotive type spin-on oil filter. This type of oil filter is low cost and has many features that typically require the oil filter to be constructed as a removable assembly (e.g., a housing capable of withstanding the operating pressure of the system, and a relief to prevent oil starvation if the filter element becomes clogged valve). [0003] One of the major problems encountered with this type of oil filter is fitting it into the engine crankcase where it has easy maintenance access. Another problem associated with such filters is collecting spilled oil when the old oil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01M11/03
CPCB01D2201/4015B01D2201/4023B01D29/96F01M11/03B01D27/00
Inventor 杰勒米·J·吉勒斯特伦斯·M·罗特凯文·G·邦德
Owner KOHLER CO