Reaction component for linear induction motor

• US 8,162,770 B2
• Filed: 03/02/2007
• Issued: 04/24/2012
• Est. Priority Date: 03/03/2006
• Status: Active Grant

• Current Assignee: HM Attractions, Inc.
• Original Assignee: HM Attractions, Inc.
• Inventors: Hunter, Richard D., Tanzer, Andreas
• Primary Examiner(s): NGUYEN, KIEN T
• Application Number:
  US11/681,691
• Publication Number:
  US 20070204759A1
• Time in Patent Office: 1,880 Days
• Field of Search: 472116-117, 472128-129, 472/13, 104/53, 104/59, 104/60, 104/69, 104 70- 73, 104/281, 104/282, 104/290, 104/292, 104/294
• US Class Current: 472/129
• CPC Class Codes: A63G 21/00 Chutes; Helter-skelters
• CPC Class Codes: A63G 21/02 without rails
• CPC Class Codes: A63G 21/08 with additional rotation of cars
• CPC Class Codes: A63G 21/14 with driven slideways
• CPC Class Codes: A63G 21/16 with forced removal of the passenger from the seat
• CPC Class Codes: A63G 21/18 Water-chutes
• CPC Class Codes: A63G 3/02 with floating seats
• CPC Class Codes: A63G 7/00 Up-and-down hill tracks; Switchbacks
• CPC Class Codes: B60L 13/03 Electric propulsion by linear motors
• CPC Class Codes: B61B 13/08 Sliding or levitation systems vehicles with air cushions between rails and vehicles B60V3/04
• CPC Class Codes: H02K 41/025 Asynchronous motors
• CPC Class Codes: H02K 7/14 Structural association with mechanical loads, e.g. with hand-held machine tools or fans with fan or impeller for cooling the machine H02K9/06

Abstract

A reaction component or plate for a linear induction motor incorporates a flexibility increasing feature and a wear resistant feature.

Claims

1. A reaction component for a linear induction motor wherein at least part of the reaction component incorporates a flexibility increasing feature;

wherein the reaction component comprises a plate and the flexibility increasing feature comprises the plate being formed of at least two abutting plate sections; and

wherein the plate is comprised of a top plate layer and a bottom plate layer, the sections of the top plate layer abut along a crosswise divide and the sections of the bottom plate layer abut along a lengthwise divide.

2. The reaction component according to claim 1 wherein the top plate layer is comprised of three sections and the bottom plate layer is comprised of four plate sections.

3. The reaction component according to claim 1 wherein the top plate layer is comprised of a ferromagnetic substantially non-conductive material and the bottom plate layer is comprised of a non-ferromagnetic conductive material.

4. The reaction component according to claim 3 wherein the ferro-magnetic substantially non-conductive material is steel or iron and the non-ferromagnetic conductive material is aluminum or copper.

5. A reaction component for a linear induction motor wherein at least part of the reaction component incorporates a flexibility increasing feature;

wherein the reaction component comprises a plate and at least a portion of the perimeter of the plate incorporates the flexibility increasing feature; and

wherein the plate is comprised of a non-ferromagnetic conductive bottom layer and a ferromagnetic substantially non-conductive top layer and the flexibility increasing feature is incorporated into the bottom layer.

6. The reaction component according to claim 5 wherein the non-ferromagnetic conductive component is one of aluminum and copper and the ferromagnetic substantially non-conductive component is one of steel and iron.

7. A reaction component for a linear induction motor wherein at least part of the reaction component incorporates a flexibility increasing feature;

wherein the reaction component comprises a plate and at least a portion of the perimeter of the plate incorporates the flexibility increasing feature;

wherein the flexibility increasing feature is incorporated around the entire perimeter of the plate; and

wherein the plate is comprised of a non-ferromagnetic conductive bottom layer and a smaller ferromagnetic substantially non-conductive top layer and wherein the flexibility increasing feature is incorporated only in the bottom layer.

8. A reaction component for a linear induction motor wherein at least part of the reaction component incorporates a flexibility increasing feature;

wherein the reaction component comprises a plate and at least a portion of the perimeter of the plate incorporates the flexibility increasing feature; and

wherein the flexibility increasing feature comprises slots cut through the plate and extending inward a distance from a perimeter edge; and

wherein the plate is comprised of a non-ferromagnetic conductive bottom layer and a smaller ferromagnetic substantially non-conductive top layer having edges spaced in from edges of the bottom layer and wherein the slots extend to the edges of the top layer.

9. The reaction component according to claim 8 wherein the edges of the top layer are spaced in approximately 2 inches from the bottom layer.

10. The reaction component according to claim 9 wherein the bottom layer is approximately 18 inches wide, approximately 72 inches long, and approximately ⅛

inches thick.

11. A reaction component for a linear induction motor wherein at least part of the reaction component incorporates a flexibility increasing feature;

wherein the reaction component comprises a plate and at least a portion of the perimeter of the plate incorporates the flexibility increasing feature; and

wherein a sliding surface facing surface of the plate is contoured to a shape of a riding surface for a vehicle incorporating the plate; and

wherein the riding surface is convex and the ride surface facing surface is concave.

12. A reaction

component for a linear induction motor wherein at least part of the reaction component incorporates a flexibility increasing feature;

wherein the reaction component comprises a plate and at least a portion of the perimeter of the plate incorporates the flexibility increasing feature; and

wherein a sliding surface facing surface of the plate is contoured to a shape of a riding surface for a vehicle incorporating the plate; and

wherein the riding surface is concave and the ride surface facing surface is convex.

13. A reaction component for a linear induction motor comprising a wear resistant feature wherein at least part of the reaction component incorporates a flexibility increasing feature;

and

wherein the reaction component comprises a stator facing side and the wear resistant feature comprises an edge portion of the reaction component contoured away from the stator facing side of the reaction component.

14. The reaction component according to claim 13 wherein the edge portion of the reaction component is contoured in a circular arc having a radius of curvature approximately double the width of the edge portion.

15. The reaction component according to claim 13 wherein the wear resistant feature further comprises rounding the corners of the reaction component.

16. A vehicle including the reaction component according to claim 13 at the bottom.

17. The vehicle according to claim 16 wherein the bottom further comprises a wear resistant material layer.

18. The vehicle according to claim 17 wherein the wear resistant material layer covers the wear resistant feature.

19. The vehicle according to claim 17 wherein the wear resistant material layer covers outer edges of the wear resistant feature.

20. An amusement ride vehicle comprising the vehicle according to claim 16.

21. A water amusement ride vehicle comprising the vehicle according to claim 16.

22. The vehicle according to claim 16 wherein the contoured edge portion defines a volume, the volume containing a filler material.

23. A reaction component for a linear induction motor wherein at least part of the reaction component incorporates a wear resistant feature;

and wherein the reaction component comprises a stator facing side and the wear resistant feature comprises an edge portion of the reaction component contoured away from the stator facing side of the reaction component.

24. The reaction component according to claim 23 wherein the edge portion of the reaction component is contoured in a circular arc having a radius of curvature approximately double the width of the edge portion.

25. The reaction component according to claim 24 wherein the reaction component comprises a plate.

26. The reaction component according to claim 25 wherein the plate is comprised of a top plate layer and a bottom plate layer and the top plate layer is comprised of a ferromagnetic substantially non-conductive material and the bottom plate layer is comprised of a non-ferromagnetic conductive material.

27. The reaction component according to claim 26 wherein the top layer is smaller than the bottom layer and wherein the edge portion of the reaction component comprises only the bottom layer.

28. The reaction component according to claim 27 wherein the edges of the top layer are spaced in approximately 2 inches from the edges of the bottom layer.

29. The reaction component according to claim 28 wherein the bottom layer is approximately 18 inches wide, approximately 72 inches long, and approximately ⅛

inches thick.

30. The reaction component according to claim 26 wherein the non-ferromagnetic conductive component is one of aluminum and copper and the ferromagnetic substantially non-conductive component is one of steel and iron.

31. A vehicle including the reaction component according to claim 25.

32. The vehicle according to claim 31 wherein the bottom of the vehicle comprises an upper material layer and a lower material layer and the reaction component is held within a pocket defined by the upper material layer and the lower material layer.

33. The vehicle according to claim 32 wherein the contoured edge portion defines a volume, the volume containing a filler material.

34. The reaction component according to claim 23 wherein the wear resistant feature further comprises rounding the corners of the reaction component.

35. The reaction component according to claim 23 wherein the reaction component is shaped to fit a shape of a bottom of a vehicle.

36. A vehicle including a reaction component for a linear induction motor at the bottom wherein at least part of the reaction component incorporates a wear resistant feature;

wherein the reaction component comprises a stator facing side and the wear resistant feature comprises an edge portion of the reaction component contoured away from the stator facing side of the reaction component; and

wherein the contoured edge portion defines a volume, the volume containing a filler material.