Cedar Oil Traction Fluid for Power Transmission
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Solution Overview
Problem
Current traction fluids face challenges in achieving high traction performance and low temperature viscometrics while being economically viable, with many commercial additives being scarce, costly, or requiring complex processing steps.
Innovation Solution
A traction fluid comprising cedar oil or its major constituents, such as cedrene, cedrol, or thujopsene, combined with a polyolefin polymer and additives like naphthenic oil, synthetic ester oil, or polyether oil, which includes a low-temperature viscosity control agent, dispersant, detergent, and anti-wear agents, to enhance lubrication and performance in power transmission apparatuses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional traction fluids are used to achieve high traction performance, then the traction coefficient is improved, but the low temperature viscosity increases and the cost increases
Solution Approach 1:
The patent changes the chemical composition parameters of the base fluid by using cedar oil and its constituents (cedrene, cedrol, thujopsene) instead of traditional high-viscosity base fluids. This parameter change allows the fluid to maintain lower viscosity at low temperatures while preserving adequate traction coefficient through the specific molecular structure of cedar oil components.
2Reliability
If complex additive packages are used to improve traction performance, then the lubrication properties are improved, but the manufacturing complexity and cost increase
Solution Approach 1:
The patent extracts and utilizes the inherent lubricating properties of cedar oil and its major constituents as the primary lubrication mechanism, reducing dependence on complex additive packages. The base fluid itself provides adequate lubrication, allowing for a simplified additive approach that maintains reliability while reducing manufacturing complexity.
Solution Approach 2:
The patent employs conventional, readily available additives (naphthenic oil, synthetic ester oil, polyether oil) that are economically viable and easily sourced, replacing expensive or proprietary additive packages. These standard additives provide necessary lubrication enhancement without the complexity or high cost of specialized formulations.
3Reliability
If conventional base fluids are used to ensure adequate lubrication, then the lubrication properties are maintained, but the low temperature performance deteriorates
Solution Approach 1:
The patent creates a composite base fluid system by combining cedar oil with conventional additives (naphthenic oil, synthetic ester oil, polyether oil). This composite approach leverages the low-temperature advantages of cedar oil while supplementing with additives that enhance lubrication properties, achieving both low temperature performance and adequate lubrication.
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 solution provides a traction fluid with improved traction coefficient and viscometrics, ensuring efficient power transmission across a wide temperature range while being economically feasible and compatible with various transmission systems, including automotive and industrial applications.
Implementation Method 1
a fluid film must be provided therebetween. Thus, rather than metal-to-metal rolling contact, a film of fluid is introduced into the load zone, and power is transmitted by shearing of the film
Data Source
AI summary
The disclosed technology relates to a traction fluid containing a base fluid having at least one of cedrene, cedrol, thujopsene or mixtures thereof, preferably provided from cedar oil, as well as a method of lubricating a power transmission apparatus with the traction fluid.