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Standard

R134a Refrigerant Charge Determination Test Method

2018-09-11
CURRENT
J3023_201809
The purpose of this document is to establish guidelines for determining the critical R134a refrigerant charge for off-road, self-propelled work machines as defined in SAE J1116 and Agricultural Tractors as defined in ANSI/ASAE S390. It will develop a minimum to maximum refrigerant charge range in which the HVAC system can maintain proper operation. Operating conditions and characteristics of the equipment will influence the optimum charge. Since these conditions and characteristics vary greatly from one application to another, careful consideration should be taken to determine the optimum R134a refrigerant charge for the HVAC system.
Standard

Bumper Jack Requirements--Motor Vehicles

1967-01-01
HISTORICAL
J979_196701
The following requirements and test information can be used to obtain reasonable quality and uniformity for bumper jacks. For this specification, a fully loaded vehicle includes curb weight, optional equipment, weight at 150 lb each for specified number of passengers, and a 150 lb load in the trunk. Vehicles with a gvw rating will be loaded to the maximum specified gvw.
Book

Nonlinear and Hybrid Systems in Automotive Control

2003-05-01
A new generation of strategies for vehicle and engine control systems has become necessary because of increasing requirements for accuracy, ride, comfort, safety, complexity, and emission levels. In contrast with earlier systems, new control systems are based on dynamic physical models and the principles of advanced nonlinear control. With contributions from leading scientists in the field, this book presents an overview of research in this rapidly-expanding area. New approaches to solving theoretical problems, as well as numerous systems and control research issues, are covered.
Standard

Ship Systems and Equipment--Part Standard for Studs--Continuous and Double End (Inch Series)

2009-01-23
HISTORICAL
J2271_200901
This SAE Parts Standard provides dimensional and quality assurance requirements for studs in the following configurations in standard materials used for ship system applications: a. Continuous thread studs in UNRC and 8UNR series in the following threads and diameters: - UNRC threads (0.190 through 4 inches) - UNRF threads (0.190 through 1-1/2 inches) - 8UNR threads (1-1/8 through 4 inches) b. Double end studs (clamping type) where both ends are of the same thread length in the following threads and diameters: - UNRC threads (1/4 through 4 inches) - UNRF threads (1/4 through 1-1/2 inches) - 8UNR threads (1-1/8 through 4 inches) c.
Standard

Ship Systems and Equipment - Part Standard for Studs - Continuous and Double End (Inch Series)

2004-06-21
HISTORICAL
J2271_200406
This SAE Parts Standard provides dimensional and quality assurance requirements for 1/4 through 2 in sizes of studs in the following configurations in standard materials used for ship system applications: a. Continuous thread studs in UNRC and 8UNR series. b. Double end studs (clamping type) where both ends are of the same thread series (UNRC or 8UN). Also called bolt-studs. (These are suitable for mating with nuts or the set end may be installed with anaerobic thread locking compound.) c. Double end studs (interference thread type) with the nut end having UNRC or 8UNR series thread and where the tap end has NC 5 HFS interference fit thread forms. Also called a tap end stud. A complete metric companion to this document is provided in SAE J2271M, therefore no metric equivalents are presented. These studs are primarily or use in ship systems and equipment.
Standard

Torque Ratings for Power Take-off Mounting Pads

2003-07-25
HISTORICAL
J2662_200307
This SAE Recommended Practice is intended to serve as a reference for the amount of torque that a Power Take-Off can induce on the transmission mounting pad. This document will apply to six-bolt, eight-bolt, and rear mounted power take-offs.
Standard

Voltage Regulators for Automotive-Type Generators

2006-01-09
CURRENT
J2669_200601
This SAE Definition Document contains historic voltage regulation methods and test requirements that have not been previously published. The purpose of this document is to recommend a set of definitions and practices for use on current and future 12 V vehicle electric power regulation and control systems in internal combustion engine road vehicles. This document is not intended to include nor exclude regulators used in higher voltage vehicle electrical systems. The term “generator” rather than “alternator” will be used even though these terms may be used interchangeably in practice.
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