US6089512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track-guided transport system with power and data transmission
Assignee: Daimler Benz AG
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Filing: 1996-03-30
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Granted: 2000-07-18
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Expires: 2016-03-30
Abstract
Abstract A track-guided transport system with power and data transmission and used for conveying goods. The transport system is provided with a transport element having drive and track-guide elements; storage, input and output units for goods; and a data processing and transmission unit. The transport element is provided with a transmission head as a secondary element for transferring power from a primary circuit laid along the track, the transmission head is mounted on the vehicle comprising a ferrite core and a secondary winding surrounding the core and magnetically is coupled to the primary circuit. An adjustable and controllable drive unit may be provided for forward motion; and a device may be provided for the forward motion for low-friction compensation of gravity and to ensure low-friction sliding along a track, as well as track-guide elements.
Inventors
- 👤 Ulrich Ansorge
- 👤 Horst Wunderlich
- 👤 Michael Aldinger
- 👤 Anton Seelig
- 👤 Bernhard Huder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:11
CPC Classifications
H; H04; H04B; H04B5/00; H04B5/20; H04B5/28; B; B61; B61C; B61C13/00; B61C13/04; B60; B60L; B60L13/00; B60L5/00; B60L5/005; B61B; B61B13/00; B61B13/08; B61L; B61L23/00; B61L23/002; B61L23/005; B61L3/00; B61L3/16; B61L3/22; B61L3/225; H01; H01F; H01F38/00; H01F38/14; B60L2200/00; B60L2200/26; H04B5/24; H04B5/26; H04B5/266; H04B5/70; H04B5/73; Y; Y02; Y02T; Y02T30/00
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
253 words
A track-guided transport device for transporting goods, comprising: path means for providing a path of travel, the path means including support and track-guidance elements (16); a transport element (10) to carry the goods, the transport element (10) including a data-processing and information-transmission unit (20), and a regulatable and controllable drive unit (17) for moving the transport element (10) along the path of travel; an energy-transmission device for contactless, inductive transmission of electrical energy to the transport element, the energy-transmission device including a conductor arrangement (6, 7) that is laid along the path of travel and that forms a primary circuit of the energy-transmission device, and a transmitter head (2) that is connected to the transport element, with the transmitter head including a soft-magnetic ferrite core and a secondary winding (W 2 ) that surrounds the core and is magnetically coupled to the primary circuit; and information-transmission means for transmitting information between the transport element (10) and a stationary station, the information-transmission means including a member that is integrated into the conductor arrangement (6, 7) of the energy-transmission device or is integrated into the support and track-guidance elements (16) of the path means, wherein the conductor arrangement (6, 7) of the primary circuit of the energy-transmission device is integrated into the support and track-guidance elements (16), and wherein the primary circuit includes an inside conductor (b) and a U-shaped outside conductor (7) which surrounds the inside conductor coaxially, the outside conductor (7) being connected to the support and track-guidance elements in a conductive manner.
Claim 2
Dependent Claim
253 words
A track-guided transport device for transporting goods, comprising: path means for providing a path of travel, the path means including support and track-guidance elements (16); a transport element (10) to carry the goods, the transport element (10) including a data-processing and information-transmission unit (20), and a regulatable and controllable drive unit (17) for moving the transport element (10) along the path of travel; an energy-transmission device for contactless, inductive transmission of electrical energy to the transport element, the energy-transmission device including a conductor arrangement (6, 7) that is laid along the path of travel and that forms a primary circuit of the energy-transmission device, and a transmitter head (2) that is connected to the transport element, with the transmitter head including a soft-magnetic ferrite core and a secondary winding (W 2 ) that surrounds the core and is magnetically coupled to the primary circuit; and information-transmission means for transmitting information between the transport element (10) and a stationary station, the information-transmission means including a member that is integrated into the conductor arrangement (6, 7) of the energy-transmission device or is integrated into the support and track-guidance elements (16) of the path means, wherein the conductor arrangement (6, 7) of the primary circuit of the energy-transmission device is integrated into the support and track-guidance elements (16), and wherein the primary circuit includes an inside conductor (b) and a U-shaped outside conductor (7) which surrounds the inside conductor coaxially, the outside conductor (7) being connected to the support and track-guidance elements in a conductive manner.
Claim 3
Dependent Claim
75 words
A track-guided transport device accordance to claim 1, wherein the member of the information-transmission means comprises a leakage waveguide (1) that is laid along the path of travel and secured to the support and track-guidance elements (16) or to the conductor arrangement (6, 7), and wherein the information-transmission means further comprises an antenna (14) that is disposed on the transport element (10) for transmitting information between the transport element (10) and the leakage waveguide (1).
Claim 4
Dependent Claim
46 words
A track-guided transport device according to claim 2, wherein the leakage waveguide (1) is configured as a coaxial line that is provided with slots (3) extending transversely to the direction of wave propagation and acting as radiation openings, with the slots spacing periodically repeating in groups.
Claim 5
Dependent Claim
26 words
A track-guided transport device according to claim 3, wherein the antenna (14) is carried by the transmitter head (2) and disposed adjacent the leakage waveguide (1).
Claim 6
Dependent Claim
45 words
A track-guided transport device according to claim 2, wherein the leakage waveguide (1) is configured as a coaxial line having a longitudinal slot (3) in the axial direction, and wherein the antenna is configured as a near-field sensor that is movable along the longitudinal slot.
Claim 7
Dependent Claim
50 words
A track-guided transport device according to claim 2, wherein the energy-transmission device further includes a conductor support (S) for the inside conductor (6) of the primary circuit, the conductor support having an upper end and the leakage waveguide (1) being disposed at the upper end of the conductor support (S).
Claim 8
Dependent Claim
64 words
A track-guided transport device according to claim 1, wherein the member of the information-transmission means comprises a leakage waveguide (1), wherein the support and track-guidance elements have angles and gaps, and wherein the conductor arrangement (6, 7) of the energy-transmission device and the leakage waveguide (1) of the information-transmission means are disposed in the angles and gaps of the support and track-guidance elements (16).
Claim 9
Dependent Claim
28 words
A track-guided transport device according to claim 2, wherein a carrier frequency of the ISM band 2.4 GHz is received by the leakage waveguide (1) to transmit information.
Claim 10
Dependent Claim
28 words
A track-guided transport device according to claim 2, wherein the conductor arrangement (6, 7) of the energy-transmission device simultaneously forms the leakage waveguide (1) of the information-transmission means.
Claim 11
Dependent Claim
109 words
A track-guided transport device according to claim 1, wherein the information-transmission means further includes a first coupling element (K) that is configured as a filter and that is connected at a feed-in point for transmitting energy, which coupling element superposes a medium-frequency current with a higher frequency signal for transmitting information from the stationary station (12) to the transport element (10), and, in an opposite direction, separates a higher frequency signal for transmitting information from the transport element (10) to the stationary station (12) from the medium-frequency current, and a corresponding second coupling element (K') that is connected to the secondary winding (W2, W2') of the transmitter head (2).
Claim 12
Dependent Claim
92 words
A track-guided device according to claim 1, wherein electrical energy is supplied to the conductor arrangement (6, 7) at a feed-in point, wherein the energy-transmission device further includes an insulating conductor support (S) for the inside conductor (6), and connection means for connecting the inside conductor (6) to the outside conductor (7) at an end of the conductor arrangement (6, 7) that is remote from the feed-in point, and wherein the ferrite core is U-shaped and has legs that surround the inside conductor (6) and support the secondary winding (W 2 ).
Claim 13
Dependent Claim
64 words
A track-guided transport device according to claim 1, wherein the transport element (10) includes a capacitor (C) and a load (Z), the data-processing and information-transmission unit (20) and the drive unit (17) providing at least a portion of the load (Z), the load (Z) being connected to the secondary winding (W 2 ) and the capacitor (C) being connected parallel to the load (Z).
Claim 14
Dependent Claim
41 words
A track-guided transport device according to claim 2, wherein the transport element (10) further includes another capacitor (C2) that compensates for inductive line drop, the another capacitor (C2) being connected between the secondary winding (W 2 ) and the load (Z).
Claim 15
Dependent Claim
57 words
A track-guided device according to claim 1, wherein the ferrite core is U-shaped and has legs, and wherein the energy-transmission device further includes a conductor support (S) for the inside conductor (6), the conductor support (S) having a ferritic region for reducing magnetic gap widths between the conductor support (S) and the legs of the ferrite core.
Claim 16
Dependent Claim
38 words
A track-guided transport device according to claim 1, wherein a gap plane between the conductor arrangement (6, 7) and the transmitter head (2) extends parallel to the path of travel in order to assure play for vehicle cornering.
Claim 17
Dependent Claim
52 words
A track-guided transport device according to claim 1, wherein the transport element (10) further includes a roller (18) running on at least one of the support and track guidance elements (16), the gravitational force acting on the transport element (10), including the goods carried by it, being compensated by the roller (18).
Claim 18
Dependent Claim
42 words
A track-guided transport device according to claim 1, wherein the drive unit (17) comprises a linear motor, and further comprising a magnetic levitation system to compensate for the gravitational force acting on the transport element (10), including the goods carried by it.
Claim 19
Dependent Claim
41 words
A track-guided device according to claim 1, wherein information concerning at least one of conveying, storing, sorting, and distribution of goods carried by the transport element (10) is received by the data-processing and information-transmission unit (20) from the stationary station (12).
Claim 20
Dependent Claim
27 words
A track-guided device according to claim 1, further comprising a driven transverse belt conveyor for loading and unloading goods (G) onto and from the transport element (10).
Claim 21
Dependent Claim
15 words
A track-guided device according to claim 1, further comprising switches serving as active track-guidance elements.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-07-18 | 2004-01-17 | 2004-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-07-18 | 2008-01-17 | 2008-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-07-18 | 2012-01-17 | 2012-07-18 | $7700.00 | Window Closed / Lapsed |