Internal combustion engine and oil treatment apparatus for use with the same

A technology for oil treatment and internal combustion engines, applied in the field of splash lubricated internal combustion engines, sealed oil treatment devices, the engine itself and/or its components, to prolong the oil replacement interval and enhance the life of the engine

Inactive Publication Date: 2018-02-13
KOHLER CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But it is generally agreed that adding an oil treatment system to a splash lubricated engine would require a very substantial redesign of many castings, with significant expense

Method used

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  • Internal combustion engine and oil treatment apparatus for use with the same
  • Internal combustion engine and oil treatment apparatus for use with the same
  • Internal combustion engine and oil treatment apparatus for use with the same

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Embodiment Construction

[0070] The following description of preferred embodiments is merely exemplary in nature and in no way intended to limit the invention, its application or uses.

[0071] As used throughout, ranges are used as shorthand to describe each value within that range. Any value within the range can be chosen as the endpoint of the range. Furthermore, all references cited herein are hereby incorporated by reference in their entirety. In the event of a conflict between a definition in the present disclosure and a cited reference, the present disclosure controls.

[0072] The description of exemplary embodiments in accordance with the principles of the invention is intended to be read in conjunction with the accompanying drawings, which are considered a part of this entire written description. In describing embodiments of the invention disclosed herein, any reference to direction or orientation is for convenience of description only and is not intended to limit the scope of the inventio...

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Abstract

The present invention relates to an internal combustion engine with an improved oil treatment system. The internal combustion engine may be a splash lubricated engine in which oil is passed through an oil circulation circuit by a passive pump. In another aspect, a dipstick tube comprising a portion of the oil circulation circuit may be provided. In yet another aspect, the internal combustion engine includes one or more protrusions that automatically pierce the oil treatment device when the oil treatment device is mounted to the internal combustion engine, thereby fluidly coupling the oil treatment device to the oil circulation circuit.

Description

[0001] Cross references to related patent applications [0002] This application claims the benefit of US Provisional Patent Application Serial No. 15 / 229,733 filed August 5, 2016, the entire contents of which are hereby incorporated by reference. Background technique [0003] Splash lubricated engines are well known and widely used in small engines such as those used in lawn mowers, outboard marine operations, lawn equipment, generators, washing machines, snow blowers, and the like. In a splash lubricated engine, oil that collects in the lower part of the crankcase, such as on an oil pan, sump, or other reservoir, is thrown upward in the form of droplets (or fine mist) onto the engine's Lubrication is provided for various components such as valve trains, piston pins, cylinder walls and piston rings. In such a typical splash lubricated engine design, the ladle on the connecting rod bearing cap enters the oil pan located in the lower part of the crankcase, creating a splash o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01M9/06F01M11/03F01M1/04
CPCF01M9/06F01M1/04F01M11/03
Inventor T·M·罗特
Owner KOHLER CO
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