U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Dynamic compression internal combustion engine with yoke having an offset arcuate slot

Patent 4584972 Issued on April 29, 1986. Estimated Expiration Date: Icon_subject December 21, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

283558

1349660

1505856

1572918

Internal combustion engine
Patent #: 4449494
Issued on: 05/22/1984
Inventor: Beaudoin

Swing throw crank structure Patent #: 4466403
Issued on: 08/21/1984
Inventor: Menton

Inventors

Application

No. 06/684576 filed on 12/21/1984

US Classes:

123/197.4Crankshaft and connecting rod

Examiners

Primary: Feinberg, Craig R.

Attorney, Agent or Firm

International Classes

F01B 9/02 (20060101)
F01B 9/00 (20060101)
F02B 41/00 (20060101)
F02B 41/04 (20060101)
F02B 75/02 (20060101)

Abstract

An internal combustion engine has a cylinder with a first axis, a piston housing therein and connected to a yoke housing having a sliding block within a slot in the yoke which slot is curved about a center of curvature with the concave side of the slot facing away from the combustion chamber and offset from the vertical axis of the combustion chamber, the curve's radius being such as to provide a power stroke having a time period which exceeds the time period of a compression stroke.

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