Engine Oil Filter Housing Cooling With Integrated Water Channels

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Solution Overview

Problem

Existing engine oil cooling systems are inefficient in maintaining low temperatures for engine oil, leading to reduced lubrication capacity and operational issues, often requiring additional or more powerful oil coolers to achieve effective cooling, which increases costs.

Innovation Solution

An engine oil cooling structure with a crankcase design featuring a cylindrical oil filter mounting chamber, a heat conducting thin wall, and integrated water channels that facilitate continuous cooling of engine oil through multiple stages, eliminating the need for additional oil coolers by using cooling water to absorb heat from the oil filter and maintain consistent temperature distribution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If additional or more powerful oil coolers are used to reduce engine oil temperature, then the cooling effect is improved, but the device complexity and cost increase

Engineering Contradiction:

Improveengine oil temperatureVSAvoidcooling system complexity

Core Design Contradiction:

TemperatureVSDevice complexity

Solution Approach 1:

The patent combines the oil cooling function with the existing water cooling system by integrating a water channel around the oil filter housing. This merging eliminates the need for separate or additional oil coolers, reducing device complexity while maintaining effective cooling through the heat-conducting thin wall structure.

Inventive Principle:

Principle #5Merging (Combining)

2Temperature

If additional or more powerful oil coolers are used to reduce engine oil temperature, then the cooling effect is improved, but the cost increases

Engineering Contradiction:

Improveengine oil temperatureVSAvoidmanufacturing cost

Core Design Contradiction:

TemperatureVSEase of manufacture

Solution Approach 1:

The patent merges the oil cooling function into the existing water cooling system, eliminating the need for additional oil cooler components. This integration reduces manufacturing costs by utilizing already-present cooling infrastructure rather than requiring separate cooling systems.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The oil filter housing itself serves as a heat exchanger through the integrated water channel and heat-conducting thin wall. The system uses its own structural components to provide cooling functionality, eliminating the need for external cooling devices and reducing overall system cost.

Inventive Principle:

Principle #25Self-service

3Device complexity

If a single-stage cooling system is used, then the device complexity is reduced, but the cooling effectiveness is insufficient

Engineering Contradiction:

Improvecooling system structureVSAvoidengine oil temperature control

Core Design Contradiction:

Device complexityVSTemperature

Solution Approach 1:

The cooling process is segmented into two stages: first, cooling occurs within the oil filter housing through the water channel and heat-conducting thin wall; second, further cooling occurs in the main oil channel. This segmentation achieves effective cooling without requiring multiple separate coolers, maintaining simplicity while improving temperature control.

Inventive Principle:

Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The design ensures efficient and cost-effective cooling of engine oil, maintaining stable lubrication effects by reducing temperature variations and eliminating the need for additional oil coolers, thereby enhancing engine operational reliability and durability.

Implementation Method 1

the crankcase is further provided with a heat conducting thin wall, an inner cavity of the heat conducting thin wall forms the oil filter mounting chamber, the water channel is arranged around an outer side wall of the heat conducting thin wall

Methodology Applied

Scientific EffectHeat conduction: Conduction (thermal)

Implementation Method 2

cooling water flowing through the water channel can absorb heat from the engine oil inside the oil filter mounting chamber to lower the temperature of the engine oil

Methodology Applied

Scientific EffectHeat absorption: Heat Exchanger

Data Source

PatentUS20260022649A1Engine Oil Cooling Structure of an Engine

Publication Date: 2026.01.22 ZHEJIANG QIANJIANG MOTORCYCLE

AI summary

The present disclosure provides an engine oil cooling structure of an engine. In the engine oil cooling structure of an engine, the engine includes a crankcase, the crankcase is provided with an oil filter mounting chamber having a cylindrical shape, the cooling structure includes a water channel, a water inlet of the water channel communicates with a water pump, the crankcase is further provided with a main oil channel, the crankcase is further provided with a heat conducting thin wall, an inner cavity of the heat conducting thin wall form the oil filter mounting chamber, the oil filter mounting chamber communicates with the main oil channel, the water channel is arranged around an outer side wall of the heat conducting thin wall, and a water outlet of the water channel communicates with a cooling water channel arranged in the same direction as and adjacent to the main oil channel.