Cam operating system

Details Cam operating system Cam operating system

1998-08-28

2000-04-25

Lo, Wellun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9017, 123 9025, F01L 1300

Patent

active

060531347

ABSTRACT:
A cam system to generate valve actuation in an engine that includes a circular camlobe rotated about a first axis is described. The first axis is a preselected distance from the centerpoint of the circular camlobe. The cam system also includes a cam-follower that surrounds the camlobe and that has an inner oval surface with a major and minor axis. The inner oval surface is in moving contact with the circular camlobe during rotation of the camlobe.

REFERENCES:
patent: 1671973 (1928-06-01), Anderson
patent: 2832327 (1958-04-01), Lorenz
patent: 4036185 (1977-07-01), Key
patent: 4594972 (1986-06-01), Ma
patent: 4697554 (1987-10-01), Bothwell
patent: 4711202 (1987-12-01), Baker
patent: 4754728 (1988-07-01), Bordi et al.
patent: 4763615 (1988-08-01), Frost
patent: 4784094 (1988-11-01), Bordi et al.
patent: 4858573 (1989-08-01), Bothwell
patent: 4887564 (1989-12-01), Edwards
patent: 4887565 (1989-12-01), Bothwell
patent: 4901684 (1990-02-01), Wride
patent: 5056476 (1991-10-01), King
patent: 5245957 (1993-09-01), Bornstein et al.
Cox et al., Service and Repair Manual for Ducati 600, 750 & 900 2-valve V-Twins, published by Haynes Publishing, Somerset, England, pp. 0.4-0.7, 1.8-1.11, 2.13-2.17, (1996).
Creamer, Machine Design, published by Addison-Wesley Publishing Company, Reading, Massachusetts, pp. 330-352, (1968).
Falloon, The Ducati Story, published by Patrick Stephens Limited, Somerset, England, pp. 16-23, 60-61, 64-68, 1996.
Jensen, Engineering Drawing and Design, Third Edition, published by McGraw-Hill, Inc., pp. 398-411, (1985).
Smith, Valve Mechanisms for High-Speed Engines: Their Design and Development, Second Edition, pp. 130-141, (1971).
1997 Ducati 900 Super Sport Owner's Manual, p. 20, 1997.
Brown, "Desmodromic Ducati", Popular Science, Sep. 1992, vol. 241, No. 3, pp. 28-29.
Valenti, Mechanical Engineering, vol. 119, No. 5, May 1997, p. 84-85.
Grable, Variable Valve Timing: Taming The Wild Camshaft, source unknown.
Chalkin, Variable Valve Timing, Popular Mechanics, Apr. 1994, p. 58.
McCosh, Variable Valve Timing, Popular Science, Mar. 1990, pp. 82-84, 114.
Renstrom, "Desmodromic Milestone: The History & Technical Data of the Ducati Desmodromic Models", Nov. 1969, No. 869, pp. 40-43.
Carrick, "The Guinness Guide to Motorcycling", published by McKnight & McKnight, Bloomington, Illinois, p. 162, (1964).
Esposito, "Machine Design", published by Merrill Publishing Co., (1975).
Oberg, et al., "Machinery's Handbook", published by Industrial Press, Inc., 1979, pp. 717-721.
Duffy, Power Prime Mover of Technology, published by McKnight & McKnight Publishing, Bloomington, Illinois, pp. 469-70, (1972).
Grable, Variable Valve Timing, Motor Trend, Jul. 1989, pp. 121-122.

Affiliated with

Also associated with

Rating

Cam operating system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cam operating system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cam operating system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-985016