Delayed drop power stroke internal combustion engine

Patent · Tue Oct 27 04:00:00 EST 1992

OSTI ID:6801841

Schaal, J E; Schaal, R G

This patent describes an engine comprising a block assembly, a rotatable crankshaft mounted to the block assembly. It comprises: a driveshaft, crankarm(s) and crankarm pin, a stationary ring gear concentric with the axis of the driveshaft and rigidly attached to the block assembly, a rotatable pinion gear mounted concentrically on the crankarm pin, a rotatable eccentric mounted on the crankarm pin and rigidly attached to the pinion gear, a cylinder having a central axis, a piston reciprocating in the cylinder, a connecting rod with one end rotatably mounted to the piston by a wristpin and the other end rotatably mounted on the eccentric by a rod end cap, were the gears and eccentric comprises a means for decreasing the combustion chamber volume available to the cylinder gases that drive the piston as the piston approaches and passes the minimum volume position during the combustion phase of the engine cycle.cycle.

• Assignee: NOV; NOV-93-005119; EDB-93-038591
• Patent Number(s): US 5158047; A
• Application Number: PPN: US 7-524087
• OSTI ID: 6801841
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
330603 -- Vehicle Design Factors-- Engine System
DESIGN
ENGINES
GEARS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINE PARTS
SHAFTS