Automatic transfer switch
AssigneeGeneral Electric Company
InventorsRonald L. Schultz, Dariusz Fudala
Life of this patent
Estimating the term…
Abstract
A method for locking contacts in an automatic transfer switch is provided. The automatic transfer switch includes a plurality of pole units including a plurality of contact pairs. The method includes mounting an interior locking device in at least one pole unit and locking at least one contact pair individually with the interior locking device housed in that contact pair's pole unit.
Claims24
A method for locking contacts in an automatic transfer switch including a plurality of pole units including a plurality of contact pairs, said method comprising the steps of:
- mounting an interior locking device in at least one pole unit;
- and
- locking at least one contact pair individually with the interior locking device housed in that contact pair's pole unit.
A pole unit for an automatic transfer switch, said pole unit comprising:
- a housing;
- a load lug housed in said housing;
- an interior locking device mounted in said housing to electrically couple to said load lug in a first position and in a second position;
- and
- a plurality of source lugs including a first source lug and a second source lug mounted in said housing, each said source lug electrically isolated from each other and said load lug, said interior locking device configured to electrically couple at least one of said first source lug and said second source lug to said load lug.
An automatic transfer switch comprising:
- a plurality of pole units comprising a bore therethrough, said housing units connected with said bores aligned;
- at least one interior locking device mounted in at least one said unit, said interior locking device comprising a bore therethrough, said bore of said interior locking device aligned with said bores of said units;
- and
- a termination plate comprising a bore aligned with said bores of said units.
A pole unit for an automatic transfer switch, said pole unit comprising:
- a housing;
- and
- at least one of a dual disk and a conjugate cam mounted in said housing, said conjugate cam having a tri-lobal shape and within a conductor assembly, said dual disk comprising a driving disk and a driven disk, said driving disk comprising a cammed surface configured to engage at least one locking tab.
Dependencies are inferred from the claim text.