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Practical and Fundamental Descriptions for Fluid Power Filters
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English
Abstract
The multipass filtration performance test which has recently gained industry-wide support offers many fundamental ways of describing the performance characteristics of fluid power filter elements. Some of these descriptions are uniquely qualified to provide the system designer with a practical technique for appraising the capability of filter elements. Important appraisal parameters of a filter element which must be considered by a designer are particle separation capability, contaminant capacity, and pressure loss.
In order to specify a filter element properly for a given application, the requirements for the appraisal parameters must reflect the needs of the system components. A practical and fundamental description for the performance of fluid power filters will incorporate appraisal parameters which can be related to the demands of such system components.
This paper relies upon the results of over 70 multipass filter performance tests to illustrate and substantiate the practical and fundamental descriptions presented herein. The filter elements represented by these test results cover a broad spectrum of the filters offered to the fluid power industry today. The interpretation of the test data presented is expressed in terms of basic performance descriptions, which can adequately serve the fluid power industry as appraisal parameters.
Authors
Citation
Fitch, E. and Tessmann, R., "Practical and Fundamental Descriptions for Fluid Power Filters," SAE Technical Paper 730796, 1973, https://doi.org/10.4271/730796.Also In
References
- Fitch E. C. “A Realistic Filter Performance Test.” Proceedings of 27th National Conference on Fluid Power XXV October 1971
- “Multi-Pass Method for Evaluating the Filtration Performance of a Fine Hydraulic Fluid Power Filter Element.” February 1973
- “Multi-Pass Method for Evaluating the Filtration Performance of a Fine Hydraulic Fluid Power Filter Element.” NFPA Recommended Standard T3.10.8.8-1973
- Fitch E. C. “Effectiveness of Contaminant Exclusion Devices.” Paper 730436 SAE Earthmoving Industry Conference Peoria, I11. April 1973
- Cranston R. W. “Filtration of Fine Particles.” Aircraft Engineering 24 June 1952 154 159
- Tucker R. H. “The Development and Verification of Theoretical Models for the Performance of Wire Cloth Filter Media.” FPCL Report 66-3 Fluid Power Research Center, Oklahoma State University July 1966