FRANCIS W JACKSON
Engineers in Hatboro, PA
License number
Pennsylvania PE007311E
Category
Engineers
Type
Professional Engineer
Address
Address
Hatboro, PA 19040
Professional information
Knife-Edge Rocker Bearing Internal Combustion Engine
US Patent:
5398652, Mar 21, 1995
Filed:
Nov 5, 1992
Appl. No.:
7/972383
Inventors:
Francis W. Jackson - Hatboro PA
International Classification:
F02B 7532, F02B 7504
US Classification:
1231974
Abstract:
Use of a low friction "Knife-edge" pivot bearing for a rocker arm drive for an Internal Combustion Engine; Controlling chamber pressure or TDC volume through 1) adjusting TDC volume as a function of engine operational conditions or 2) an energy store and return device including selection of TDC volume as a function of variable inlet valve timing and 3) increased nominal operating point piston speed.
Pressure Balanced Piston Rings
US Patent:
5271315, Dec 21, 1993
Filed:
Sep 18, 1992
Appl. No.:
7/946558
Inventors:
Francis W. Jackson - Hatboro PA
International Classification:
F16J 900, F02F 500
US Classification:
92200
Abstract:
Force balanced (or nearly balanced) rings to eliminate (or greatly reduce) pressure caused force build up of the ring(s) against the cylinder wall. Especially important in high pressure engines and/or where increased depth ring/cylinder contact surface is used.