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WINDSHIELD DEFROSTING SYSTEMS PERFORMANCE GUIDELINES - TRUCKS, BUSES, AND MULTI-PURPOSE VEHICLES
- Ground Vehicle Standard
- J382_198410
- Revised
Sector:
Issuing Committee:
Language:
English
Scope
This SAE Recommended Practice provides a defrosting system performance guideline for trucks, buses, and multi-purpose vehicles when tested according to SAE J381 MAY84. It is limited to results of tests that can be conducted in commercially available laboratory facilities.
The current engineering practice prescribes that for laboratory evaluation of defroster systems, a known quantity of water shall be sprayed on the windshield to form an ice coating and then melted by the defroster under specific vehicle operating conditions. The procedure described by SAE J381 MAY84 provides uniform and repeatable laboratory test results, even though under actual conditions such a coating would be removed by scraping before driving the vehicle. The performance obtained, therefore, does not directly relate to actual driving conditions, but serves as a laboratory performance indicator for comparing test results within or between systems.
This SAE Recommended Practice is intended as a guide toward standard practice, but may be subject to frequent change to keep pace with experience and technical advances, and this should be kept in mind when considering its use.
Topic
Data Sets - Support Documents
No Datasets Available
Issuing Committee
Truck and Bus Windshield Wipers and Climate Control Comm
The responsibility of Windshield Wipers and Climate Control Committee of the Truck and Bus Body, Occupant and Environment Steering Committee is to initiate, develop, review and approve the recommended practices, standards, and information reports related to windshield washer/wiper systems, defroster/defogging systems and components that affect the interior climate and environment of occupied areas of trucks, buses and multi purpose vehicles intended for on-highway use.
Reference
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