Contact arrangement for vacuum switches
First Claim
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1. In a hollow contact arrangement for use in a vacuum switch, comprising a pair of hollow contacts, each capable of generating an axial field, arranged coaxially with respect to each other, said hollow contacts each comprising:
- a contact carrier having a cylindrical recess at its outer end, said contact carrier provided with inclined slots, all of said slots inclined in the same direction;
a contact disc with its edge region resting on the outer end of the contact carrier; and
a central support body disposed within said hollow portion extending between said contact carrier and said contact disc, the improvement comprising;
(a) said support bodies;
(i) being bodies of rotation having their ends facing the contact discs enlarged;
(ii) consisting of a poorly conducting material; and
(iii) being connected in a positively locking manner to said contact disc; and
(b) the slots in both contact carriers being inclined in the same direction.
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Abstract
Contacts arranged coaxially with respect to each other are provided with slots inclined in the same direction and with a contact disc as well as with a support body of poorly conducting material which is connected to the contact disc in a positively locking manner, resulting in axial field contacts with low resistance and inductance but with high switching capacity which are insensitive to high contact pressure in the closed condition of the vacuum switch.
36 Citations
11 Claims
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1. In a hollow contact arrangement for use in a vacuum switch, comprising a pair of hollow contacts, each capable of generating an axial field, arranged coaxially with respect to each other, said hollow contacts each comprising:
- a contact carrier having a cylindrical recess at its outer end, said contact carrier provided with inclined slots, all of said slots inclined in the same direction;
a contact disc with its edge region resting on the outer end of the contact carrier; and
a central support body disposed within said hollow portion extending between said contact carrier and said contact disc, the improvement comprising;(a) said support bodies; (i) being bodies of rotation having their ends facing the contact discs enlarged; (ii) consisting of a poorly conducting material; and (iii) being connected in a positively locking manner to said contact disc; and (b) the slots in both contact carriers being inclined in the same direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- a contact carrier having a cylindrical recess at its outer end, said contact carrier provided with inclined slots, all of said slots inclined in the same direction;
Specification