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

Wobble engine

Patent 6390052 Issued on May 21, 2002. Estimated Expiration Date: Icon_subject February 5, 2021. 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

410308

2043544

2621852

2922403

Fluid power transfer device and fuel system therefor
Patent #: 4688522
Issued on: 08/25/1987
Inventor: McMaster

Fluid power transfer device
Patent #: 4799870
Issued on: 01/24/1989
Inventor: McMaster

Nutating spider crank reciprocating piston machine
Patent #: 5027756
Issued on: 07/02/1991
Inventor: Shaffer

Nutating internal combustion engine
Patent #: 5251594
Issued on: 10/12/1993
Inventor: Meyer

Nutating disc compressor Patent #: 5482449
Issued on: 01/09/1996
Inventor: Meyer

Inventors

Assignee

Application

No. 778118 filed on 02/05/2001

US Classes:

123/247, Only combustion and expansion of charge in engine123/43R, ROTATING CYLINDER123/59.1, Rotary valve123/241, With compression, combustion, and expansion in a single variable volume418/53Axially spaced working chambers

Examiners

Primary: Denion, Thomas
Assistant: Trieu, Thai-Ba

Attorney, Agent or Firm

Foreign Patent References

  • 24 44 019 DE 03/08/1976
  • 2 591 673 FR 06/08/1987
  • 10846 GB 04/08/2012
  • 12964 GB 08/08/2012
  • 1269063 GB 03/08/1972

International Class

F02B 053/00

Abstract

A wobble plate engine (20) includes a wobble plate assembly (26) having a wobble plate (58) that rolls against truncated cone portions (42) of a housing (22) and has an inner extremity (60) rotatably supported by an axially inclined annular bearing (49, 49') on a spherical member (46) of the wobble plate assembly so as to rotate a shaft (24) during the wobbling motion. One embodiment of the wobble engine (20) includes an oil lubrication system (114) and another embodiment includes antifriction roller bearings (220) that support the wobble plate (58) on the spherical member (46), antifriction roller bearings (224) that rotatively support the shaft (24) on the housing (22') and seals (226) that rotatively seal between the shaft (24) and the housing (22').

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