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US 12,327,745 B2Granted
Transport apparatus
AssigneeSemes Co., Ltd.
InventorsJae Ik Cho, Kil Hyun Cho, Chung Il Cho
Life of this patent
Estimating the term…
Abstract
A transport apparatus includes a transport rail extending along a predetermined path, a transport vehicle configured to be movable along the transport rail to transport a material, and a brake unit mounted on the transport vehicle to be adjacent to the transport rail and configured to apply an eddy current braking force to the transport vehicle.
Claims19
A transport apparatus comprising:
- a first transport rail and a second transport rail extending parallel to each other along a predetermined path;
- a transport vehicle comprising a drive module disposed on the first and second transport rails and configured to be movable along the first and second transport rails to transport a material;
- and
- a brake unit mounted on the transport vehicle to be adjacent to the first and second transport rails and configured to apply an eddy current braking force to the transport vehicle,
- wherein the drive module comprises:
- a front drive unit comprising front wheels respectively disposed on the first and second transport rails;
- and
- a rear drive unit comprising rear wheels respectively disposed on the first and second transport rails, and
- wherein the brake unit comprises:
- a front brake unit mounted on the front drive unit;
- and
- a rear brake unit mounted on the rear drive unit,
- wherein the front brake unit comprises:
- a first permanent magnet disposed adjacent to the first transport rail;
- a first electromagnet disposed on one side of the first permanent magnet;
- first pole pieces connecting ends of the first permanent magnet and the first electromagnet to each other;
- and
- a second permanent magnet disposed adjacent to the second transport rail;
- a second electromagnet disposed on one side of the second permanent magnet;
- second pole pieces connecting ends of the second permanent magnet and the second electromagnet to each other, and
- wherein the rear brake unit comprises:
- a third permanent magnet disposed adjacent to the first transport rail;
- a third electromagnet disposed on one side of the third permanent magnet;
- third pole pieces connecting ends of the third permanent magnet and the third electromagnet to each other;
- and
- a fourth permanent magnet disposed adjacent to the second transport rail;
- a fourth electromagnet disposed on one side of the fourth permanent magnet;
- fourth pole pieces connecting ends of the fourth permanent magnet and the fourth electromagnet to each other.
25 more elements
A transport apparatus comprising:
- a first transport rail and a second transport rail extending parallel to each other along a predetermined transport path;
- a transport vehicle comprising a drive module disposed on the first and second transport rails and configured to be movable along the first and second transport rails, and a hoist module connected to the drive module and configured to elevate a material;
- and
- brake units mounted on the drive module to be adjacent to the first and second transport rails and configured to apply an eddy current braking force to the drive module,
- wherein the drive module comprises:
- a front drive unit comprising front wheels respectively disposed on the first and second transport rails;
- and
- a rear drive unit comprising rear wheels respectively disposed on the first and second transport rails, and
- wherein the brake units comprise:
- a front brake unit mounted on the front drive unit;
- and
- a rear brake unit mounted on the rear drive unit,
- wherein the front brake unit comprises:
- a first permanent magnet disposed adjacent to the first transport rail;
- a first electromagnet disposed on one side of the first permanent magnet;
- first pole pieces connecting ends of the first permanent magnet and the first electromagnet to each other;
- and
- a second permanent magnet disposed adjacent to the second transport rail;
- a second electromagnet disposed on one side of the second permanent magnet;
- second pole pieces connecting ends of the second permanent magnet and the second electromagnet to each other, and
- wherein the rear brake unit comprises:
- a third permanent magnet disposed adjacent to the first transport rail;
- a third electromagnet disposed on one side of the third permanent magnet:
- third pole pieces connecting ends of the third permanent magnet and the third electromagnet to each other;
- and
- a fourth permanent magnet disposed adjacent to the second transport rail:
- a fourth electromagnet disposed on one side of the fourth permanent magnet;
- fourth pole pieces connecting ends of the fourth permanent magnet and the fourth electromagnet to each other.
25 more elements
A transport apparatus comprising:
- a first transport rail and a second transport rail extending parallel to each other along a predetermined transport path;
- a transport vehicle comprising a drive module disposed on the first and second transport rails and configured to be movable along the first and second transport rails, and a hoist module connected to the drive module and configured to elevate a material;
- brake units mounted on the drive module to be adjacent to the first and second transport rails and configured to apply an eddy current braking force to the drive module;
- a second brake unit mounted on the hoist module to be adjacent to the first and second transport rails and configured to apply an eddy current braking force to the hoist module;
- at least one vibration sensor mounted on the transport vehicle and configured to sense vibration of the transport vehicle;
- and
- a brake controller for controlling operations of the brake units and the second brake unit based on a signal from the at least one vibration sensor,
- wherein the drive module comprises;
- a front drive unit comprising front wheels respectively disposed on the first and second transport rails, and
- a rear drive unit comprising rear wheels respectively disposed on the first and second transport rails, and
- wherein the brake units comprise:
- a front brake unit mounted on the front drive unit;
- and
- a rear brake unit mounted on the rear drive unit,
- wherein the front brake unit comprises:
- a first permanent magnet disposed adjacent to the first transport rail;
- a first electromagnet disposed on one side of the first permanent magnet:
- first pole pieces connecting ends of the first permanent magnet and the first electromagnet to each other;
- and
- a second permanent magnet disposed adjacent to the second transport rail;
- a second electromagnet disposed on one side of the second permanent magnet;
- second pole pieces connecting ends of the second permanent magnet and the second electromagnet to each other, and
- wherein the rear brake unit comprises:
- a third permanent magnet disposed adjacent to the first transport rail;
- a third electromagnet disposed on one side of the third permanent magnet;
- third pole pieces connecting ends of the third permanent magnet and the third electromagnet to each other;
- and
- a fourth permanent magnet disposed adjacent to the second transport rail;
- a fourth electromagnet disposed on one side of the fourth permanent magnet;
- fourth pole pieces connecting ends of the fourth permanent magnet and the fourth electromagnet to each other.
27 more elements
Dependencies are inferred from the claim text.