THE VARIABLE RATIO MASTER CYLINDER--A DESCRIPTION OF ITS FUNCTION AND OPERATION

The concept of an improvement in work utilization by modification of the hydraulic brake master cylinder currently employed in production automotive vehicles is presented. The improvement, which is in the form of a variable ratio master cylinder having the advantage, among others, of reducing intermediate and final brake pedal efforts without the need for an external assist, is explained. The function, description, operation, vehicle need, history, methods of evaluation, and advantages and disadvantages of the variable ratio master cylinder are discussed. /GMRL/

• Corporate Authors:

  Society of Automotive Engineers (SAE)

  400 Commonwealth Drive
  Warrendale, PA  United States  15096
• Authors:
  • Nigg, R L
  • Palmer, A W
  • Green, R F
• Publication Date: 1975-2

Media Info

• Pagination: 9 p.

Subject/Index Terms

• TRT Terms: Automobiles; Brakes; Design; Improvements
• Uncontrolled Terms: Cylinders
• Subject Areas: Design; Highways; Safety and Human Factors; Vehicles and Equipment;

Filing Info

• Accession Number: 00098898
• Record Type: Publication
• Report/Paper Numbers: SAE #750382
• Files: TRIS
• Created Date: Sep 30 1975 12:00AM