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US 6,693,248 B1Granted
Methods and apparatus for transferring electrical power
AssigneeGeneral Electric Company
InventorRonald Lloyd Schultz
Life of this patent
Estimating the term…
Abstract
A transfer switch includes a cam including a first groove and a second groove different from the first groove, a follower apparatus positioned in the second groove, and a driver apparatus positioned in the first groove, the driver apparatus configured to rotate the cam in only a first direction.
Claims26
A transfer switch comprising:
- a cam body comprising a first groove, a second groove that is different from the first groove, and an axis of symmetry, said first groove and said second groove circumscribing said axis of symmetry;
- a follower apparatus positioned in said second groove;
- and
- a driver apparatus positioned in said first groove, said driver apparatus configured to rotate said cam in only a first direction.
1 more element
A transfer switch comprising:
- a cam comprising:
- a substantially z-shaped groove comprising a first quantity of nodes;
- and
- a substantially sinusoidal shaped groove comprising a second quantity of nodes equivalent to said first quantity of nodes and said second quantity of nodes;
- a follower apparatus positioned in said substantially sinusoidal shaped groove;
- and
- a driver apparatus positioned in said substantially z-shaped groove, said driver apparatus configured to rotate said cam in only a first direction.
4 more elements
A method for manufacturing a transfer switch, said method comprising:
- providing a transfer switch, the transfer switch including a cam including a first groove and a second groove different from the first groove, and an axis of symmetry, wherein the first groove and the second groove circumscribe the axis of symmetry;
- operationally coupling a follower apparatus in the second groove;
- and
- operationally coupling a driver apparatus in the first groove, such that the driver apparatus is configured to rotate the cam in only a first direction.
1 more element
A method for manufacturing a transfer switch, said method comprising:
- providing a transfer switch, the transfer switch including:
- a cam including:
- a substantially z-shaped groove including a first quantity of nodes;
- and
- a substantially sinusoidal shaped groove including a second quantity of nodes equivalent to the first quantity of nodes and the second quantity of nodes;
- and
- operationally coupling a follower apparatus in the substantially sinusoidal shaped groove;
- and
- operationally coupling a driver apparatus in the substantially z-shaped groove, such that the driver apparatus is configured to rotate the cam in only a first direction.
6 more elements
Dependencies are inferred from the claim text.