Whelen Engineering Compnay, Inc.

Tony Gerardo

Alexander A Alonzo

A seal structure includes a container, a sealant applied in liquid form that cures to a gel, and a cap that applies pressure to the gel. The container surrounds at least one opening in an assembly for the passage of elongated members such as wires. The container defines a chamber that is in communication with the opening and surrounds the wires passing through the opening. A closure spans the opening and is in contact with an inner end of the container. The chamber and the at least opening are partially filled with a predetermined quantity of sealant in liquid form, which cures into a viscous gel. The cap is configured to engage with the container and includes a platform that is positioned within the container and in contact with the gel sealant. In this arrangement, the cap applies positive pressure to the gel sealant.

Aperture seal structure

A multifunction lighthead for mounting to a vehicle includes several groups of LEDs arranged to provide distinct light emission patterns. Each group of LEDs and associated optics are selected and positioned to produce light emission patterns needed to meet lighting standards applicable to the vehicle. Such standards may require wide angle light emission, which is enhanced by supporting groups of LEDs that project away from the vehicle body, enhancing visibility of the lighthead from directions close to a plane defined by the body panel. The projecting support for the LEDs and optics for a wide angle light emission pattern may be employed to support LEDs arranged for ground illumination. Other groups of LEDs in the same lighthead may be arranged with optics to provide area illumination in support of arrest, search, triage or other emergency functions.

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Bristol, CT, United States of America

Tony Gerardo