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US 8,009,108 B2Granted
Antenna apparatus for explosive environments
AssigneeFisher Controls International LLC
InventorsClyde Thomas Eisenbeis, Scott R. Kratzer
Life of this patent
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Abstract
Antenna assemblies for wireless communications in explosive environments are described. An example antenna assembly has a housing, a base member at one end of the housing, and an antenna extending through the base member and into the housing. A sealing compound within the base member encapsulates the antenna to seal the antenna at the base member.
Claims18
An antenna assembly for use in an explosive environment, comprising:
- a housing;
- a base end member and an antenna base member at one end of the housing;
- an antenna extending though the base end member and into the housing;
- a sealing compound within the base end member and the antenna extending into and through the sealing compound, the sealing compound encapsulating the antenna to seal the antenna at the base end member;
- and
- a resilient member located at the base end member and having one end secured by the sealing compound and another end at the antenna base member which engages the housing, to flexibly couple the antenna and the housing to the base end member.
3 more elements
An antenna assembly for use in an explosive environment, comprising:
- a housing;
- a base end member at one end of the housing;
- an antenna extending though the base end member and into the housing;
- and
- a sealing compound within the base end member and the antenna extending into and through the sealing compound, the sealing compound encapsulating the antenna to seal the antenna at the base end member, wherein the antenna includes at least one lateral antenna protrusion adjacent the base end member to fix the antenna within the sealing compound.
2 more elements
An antenna assembly for use in an explosive environment, comprising:
- a housing having a longitudinally extending axis;
- a base end member at one end of the housing;
- a platform extending though the base end member to at least the housing and parallel to the longitudinally extending axis of the housing, the platform having at least one conductive path;
- an antenna within the housing;
- an electrical connection between the conductive path and the antenna;
- and
- a sealing compound within the base end member and the platform extending into and through the sealing compound, the sealing compound encapsulating the platform to seal the platform at the base end member.
4 more elements
Dependencies are inferred from the claim text.