Patent US5664534A successfully refreshed from Google Patents.
US5664534A
Expired / Lapsed
US
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Flywheel system for a rotary machine
Assignee: FEV Europe GmbH
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Filing: 1996-05-20
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Granted: 1997-09-09
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Expires: 2016-05-20
Abstract
Abstract A flywheel system for a machine includes a rotary body affixed to a rotary shaft of the machine for rotating with the shaft as a unit; an additional rotary body forming a flywheel mass and being mounted on the shaft for rotation relative thereto; an electromagnetic device for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; and a control for actuating the electromagnetic device.
Inventors
- 👤 Gunter Schmitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:33
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/18; F02; F02B; F02B75/00; F02B75/06; F16F2222/00; F16F2222/08; H; H02; H02K; H02K11/00; H02K49/00; H02K49/02; H02K49/04; H02K49/043; H02K49/06; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2127
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
159 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; one of the rotary bodies being a first rotary body and another of the rotary bodies being a second rotary body; (c) control means; and (d) electromagnetic means for torque-transmittingly coupling said first and second rotary bodies to one another in a contactless manner; said electromagnetic means including (1) a plurality of pole bodies mounted circumferentially on said first rotary body in a uniform distribution; each pole body having a pole face oriented towards a surface of said second rotary body; (2) a separate coil carried by each said pole body; and (3) means for electrically connecting each said coil with said control means for actuating said electromagnetic means.
Claim 2
Dependent Claim
159 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; one of the rotary bodies being a first rotary body and another of the rotary bodies being a second rotary body; (c) control means; and (d) electromagnetic means for torque-transmittingly coupling said first and second rotary bodies to one another in a contactless manner; said electromagnetic means including (1) a plurality of pole bodies mounted circumferentially on said first rotary body in a uniform distribution; each pole body having a pole face oriented towards a surface of said second rotary body; (2) a separate coil carried by each said pole body; and (3) means for electrically connecting each said coil with said control means for actuating said electromagnetic means.
Claim 3
Dependent Claim
35 words
The flywheel system as defined in claim 1, further comprising a plurality of permanent magnets mounted circumferentially on said second rotary body in a uniform distribution; said permanent magnets being oriented towards said pole faces.
Claim 4
Dependent Claim
41 words
The flywheel system as defined in claim 1, further comprising current-supplying means for said coils; said current-supplying means including slip rings arranged for rotation with said first rotary body and being connected to said coils for supplying said coils with current.
Claim 5
Dependent Claim
40 words
The flywheel system as defined in claim 1, further comprising contactless current-supplying means for said coils; said contactless current-supplying means including magnetic energy coupling means including a stationary transmitter coil and a receiver coil mounted on said first rotary body.
Claim 6
Dependent Claim
14 words
The machine as defined in claim 1, wherein said machine is a piston-operated machine.
Claim 7
Dependent Claim
16 words
The machine as defined in claim 5, wherein said piston-operated machine is an internal combustion engine.
Claim 8
Dependent Claim
30 words
The machine as defined in claim 6, further comprising an engine control for controlling an operation of the internal combustion engine; said control means forming part of said engine control.
Claim 9
Dependent Claim
33 words
The machine as defined in claim 7, further comprising an rpm sensor for emitting signals representing a rotational speed of said additional rotary body; said rpm sensor being connected to said engine control.
Claim 10
Dependent Claim
100 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; said rotary body adapted to be affixed to the shaft having a flywheel mass less than an effective flywheel mass of said additional rotary body; (c) electromagnetic means for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; and (d) control means for actuating said electromagnetic means.
Claim 11
Dependent Claim
100 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; said rotary body adapted to be affixed to the shaft having a flywheel mass less than an effective flywheel mass of said additional rotary body; (c) electromagnetic means for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; and (d) control means for actuating said electromagnetic means.
Claim 12
Dependent Claim
91 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; said rotary body being of an electrically conductive solid material to form an eddy current wheel; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; (c) electromagnetic means for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; and (d) control means for actuating said electromagnetic means.
Claim 13
Dependent Claim
91 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; said rotary body being of an electrically conductive solid material to form an eddy current wheel; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; (c) electromagnetic means for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; and (d) control means for actuating said electromagnetic means.
Claim 14
Dependent Claim
81 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; said rotary body being a flywheel; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; (c) electromagnetic means for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; and (d) control means for actuating said electromagnetic means.
Claim 15
Dependent Claim
81 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; said rotary body being a flywheel; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; (c) electromagnetic means for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; and (d) control means for actuating said electromagnetic means.
Claim 16
Dependent Claim
98 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; (c) electromagnetic means for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; (d) control means for actuating said electromagnetic means; and (e) an rpm sensor for emitting signals representing a rotational speed of the shaft; said rpm sensor being connected to said control means.
Claim 17
Dependent Claim
98 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; (c) electromagnetic means for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; (d) control means for actuating said electromagnetic means; and (e) an rpm sensor for emitting signals representing a rotational speed of the shaft; said rpm sensor being connected to said control means.
Claim 18
Dependent Claim
100 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; (c) electromagnetic means for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; (d) control means for actuating said electromagnetic means; and (e) an rpm sensor for emitting signals representing a rotational speed of said additional rotary body; said rpm sensor being connected to said control means.
Claim 19
Dependent Claim
100 words
A flywheel system for a machine having a rotary shaft, comprising (a) a rotary body adapted to be affixed to the shaft for rotating therewith as a unit; (b) an additional rotary body forming a flywheel mass and being adapted to be mounted on the shaft for rotation relative thereto; (c) electromagnetic means for torque-transmittingly coupling the rotary bodies to one another in a contactless manner; (d) control means for actuating said electromagnetic means; and (e) an rpm sensor for emitting signals representing a rotational speed of said additional rotary body; said rpm sensor being connected to said control means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-09-08 | 2001-03-10 | 2001-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-08 | 2005-03-10 | 2005-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-08 | 2009-03-10 | 2009-09-09 | $7700.00 | Window Closed / Lapsed |