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

Principle and structure of actively driving or centrifugal linear following dynamic flywheel effect

Patent 5269197 Issued on December 14, 1993. Estimated Expiration Date: Icon_subject April 3, 2012. 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

Inertial turbine energy storage braking and power transmission system
Patent #: 4069669
Issued on: 01/24/1978
Inventor: Pitkanen

Composite wheel structure capable of withstanding large centrifugal forces
Patent #: 4116088
Issued on: 09/26/1978
Inventor: Giovachini ,   et al.

Energy storage and transmission apparatus
Patent #: 4128020
Issued on: 12/05/1978
Inventor: Gray

Inertial energy storage rotor with tension-balanced catenary spokes
Patent #: 4176563
Issued on: 12/04/1979
Inventor: Younger

Energy transfer and conservation apparatus
Patent #: 4643035
Issued on: 02/17/1987
Inventor: Murphy

Variable inertia energy storage system
Patent #: 4730154
Issued on: 03/08/1988
Inventor: Pinson

Space craft cellular energy generating and storage device
Patent #: 4735382
Issued on: 04/05/1988
Inventor: Pinson

Rotor for a driving device Patent #: 4788883
Issued on: 12/06/1988
Inventor: Hashizume

Inventor

Application

No. 862809 filed on 04/03/1992

US Classes:

74/570.2, Plural, movable relative to each other (including ball(s))74/572.1, Power generating-type flywheel74/572.2Flywheel, motion smoothing-type

Examiners

Primary: Luong, Vinh T.

Attorney, Agent or Firm

Foreign Patent References

  • 55-69349 JP 05/24/1980
  • 60-184745 JP 09/24/1985
  • 60-222634 JP 11/24/1985
  • 61-286636 JP 12/24/1986
  • 1020670 SU 05/24/1983

International Class

G05G 001/00

Foreign Application Priority Data

1991-04-09 GB

Abstract

A device for storage and release of energy having a body rotatably connected to a center shaft and two fins pivotably connected to the body. The pins have arms which each have an inertia block on an end of the respective arm. The arms are connected to the body by springs. A hood connected to the center shaft deflects an air stream toward the fins and the fins are pivoted rearwardly, radially displacing the inertia arms by centrifugal force. When the force of the air stream decreases, the springs urge the inertia blocks to return and stored energy is released, sustaining the rotation of the body.

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