Metal-sealed, thermoplastic electrical feedthrough
First Claim
Patent Images
1. An electrical feedthrough, comprising:
- a connector body made of a metallic material, the connector body comprising a mounting flange;
at least one contact pin inserted through a cavity in the connector body and through a hole in the mounting flange, the cavity and the hole each having a transverse dimension generally parallel to the face of the mounting flange, the transverse dimension of the hole, being less than that of the cavity; and
an insulating body made of a thermoplastic material formed between the connector body and the contact pin, the insulating body molded over a portion of the connector body and the contact pin and providing a hermetic seal between the connector body and the contact pin; and
wherein an outer surface of the connector body in contact with the insulating body includes an interlocking structure.
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Abstract
An electrical feedthrough includes a connector body made of a metallic material, at least one contact pin inserted through a cavity in the connector body, and an insulating body made of a thermoplastic material formed between the connector body and the contact pin so as to provide a hermetic seal between the connector body and the contact pin.
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Citations
20 Claims
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1. An electrical feedthrough, comprising:
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a connector body made of a metallic material, the connector body comprising a mounting flange;
at least one contact pin inserted through a cavity in the connector body and through a hole in the mounting flange, the cavity and the hole each having a transverse dimension generally parallel to the face of the mounting flange, the transverse dimension of the hole, being less than that of the cavity; and
an insulating body made of a thermoplastic material formed between the connector body and the contact pin, the insulating body molded over a portion of the connector body and the contact pin and providing a hermetic seal between the connector body and the contact pin; and
wherein an outer surface of the connector body in contact with the insulating body includes an interlocking structure. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electrical feedthrough, comprising:
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a connector body made of a weldable metallic material, the connector body comprising a welding flange;
at least one contact pin inserted through a cavity in the connector body and through a hole in the welding flange, the cavity and the hole each having a transverse dimension generally parallel to the face of the welding flange, the transverse dimension of the hole being less than that of the cavity; and
an insulating body made of a thermoplastic material formed between the connector body and the contact pin, the insulating body molded over a portion of the connector body and the contact pin and providing a hermetic seal between the connector body and the contact pin; and
wherein an outer surface of the connector body in contact with the insulating body includes an interlocking structure. - View Dependent Claims (9, 10, 11)
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12. An electrical feedthrough, comprising:
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a connector body made of a metallic material, the connector body comprising a mounting flange;
at least one contact pin inserted through a cavity in the connector body and through a hole in the mounting flange, the cavity and the hole each having a transverse dimension generally parallel to the face of the mounting flange, the transverse dimension of the hole being less than that of the cavity;
an interlocking structure formed on an outer surface of the connector body; and
an insulating body made of a thermoplastic material formed over a portion of the connector body and the contact pin, the insulating body engaging the interlocking structure and providing a hermetic seal between the connector body and the contact pin. - View Dependent Claims (13, 14, 15, 16)
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17. A bulkhead electrical connection, comprising:
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a bulkhead made of a weldable material;
a connector body made of a weldable material;
a weld formed between the bulkhead and the connector body at a face of the bulkhead;
at least one contact pin inserted through a cavity in the connector body and through a hole in the connector body, the cavity and the hole each having a transverse dimension generally parallel to the face of the bulkhead, the transverse dimension of the hole being less than that of the cavity; and
an insulating body made of a thermoplastic material formed between the connector body and the contact pin, the insulating body providing a hermetic seal between the connector body and the pin; and
wherein an outer surface of the connector body in contact with the insulating body includes an interlocking structure. - View Dependent Claims (18, 19, 20)
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Specification