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Low Tire Pressure Warning Device (LTPWD)
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English
Abstract
This paper presents an overview of the device which semi permanently supervises low tire pressure of driving or parking car, including low spare tire pressure. Such continual supervision is attained by the application of wireless system. The sensor on the tire has no power supply. It transmits echo radio wave by the excitement of its element, which is originated by the transporting radio signal from the detector on the car body. The device employs fail-safe system and its key components are consisted of passive elements, so that the device provides high reliability.
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Authors
Citation
Kurashige, T., Kobane, S., Takahashi, H., and Komatsu, S., "Low Tire Pressure Warning Device (LTPWD)," SAE Technical Paper 820458, 1982, https://doi.org/10.4271/820458.Also In
References
- “Five Year Plan for Motor Vehicle Safety and Fuel Economy Rulemaking and Invitation for Applications for Financial Assistance” Docket No. 78-07: Notice 1. Federal Resister 43 52 1978
- Matsuda, “The Air Pressure Warning System” Society of Automotive Engineers of Japan Inc. 33 10 1979
- Reddy, J. N. “Sensors for Automotive - Engine Control” SAE Paper No. 770399 , presented at International Automotive Engineering Congress, Detroit, Michigan 1977
- “Preliminary Regulatory Analysis for Low Tire Pressure Warning Indicator” National Highway Traffic Safety Administration Office of Plans and Programs 1980