Carl Louis Nelson

US Patent:

45179310, May 21, 1985

Filed:

Jun 30, 1983

Appl. No.:

6/510288

Inventors:

Carl D. Nelson - Ennis TX

International Classification:

F02B 7504

US Classification:

123 48B

Abstract:

An improved variable stroke internal combustion engine (10) is disclosed. The power stroke and exhaust stroke of the engine are relatively longer than the intake stroke and compression stroke for increased power output from the engine (10). A connecting rod (40) is pivotally connected to the piston (16) and a trunnion assembly (28). The trunnion assembly is rotatably mounted to a journal (24) on the crankshaft (20). A control shaft (46) is rotatably mounted within the engine and connected to the crankshaft (20) so that the control shaft rotates at one-half the angular velocity of the crankshaft. A control link (52) is rotatably mounted on a journal (50) of the control shaft (46) with its opposite end being pivotally connected to the trunnion assembly (28).

US Patent:

41577450, Jun 12, 1979

Filed:

May 22, 1978

Appl. No.:

5/908128

Inventors:

Carl D. Nelson - Ennis TX

Assignee:

J. I. Case Company - Racine WI

International Classification:

B60T 106

US Classification:

188 31

Abstract:

A park-lock mechanism for a vehicle transmission having a rotatable gear held against rotation by a pawl movable in two directions and being free of a pivot mounting. The pawl has arcuate surfaces which are contacted by a control member, for moving the pawl in a direction radially of the gear, and there is a sliding support for the pawl and a tension spring for positioning the pawl relative to the gear. The force of rotation of the gear itself is transmitted to the pawl, after initial release of the pawl by the control member, and thus further force on the control member is only a minimal amount since the force from the gear assists the movement of the control member after that initial control member movement.