Industrial automation input output module with elastomeric sealing
US7503790B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2007 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | Jul 3, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K5/063
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An industrial automation input output module is protected against ingress of water, oil, debris, dirt and other contaminants without use of a potting compound. An elastomeric main seal provides a fluid-tight connection between inter-fitted inner and outer housing members that define a housing of the module. The one-piece main seal includes an integral light pipe portion with at least one light pipe that communicates light from an LED or other light source to a visual indicator opening in the housing, and the light pipe portion is also sealed to the housing to prevent ingress of contaminants through the visual indicator opening. Connectors pass through a wall of the housing and connector seals are used to prevent ingress of contaminants between the connectors and the housing. The connectors are also secured against rotation relative to the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.