Filter device for helicopter blade tracker

摘要

A sunlight filter device for a helicopter blade tracker includes a filter housing, a filter assembly and a mounting system. The filter housing has a first opening, a second opening and a receiving cavity formed between the first opening and the second opening. The filter assembly is mounted in the receiving cavity of the filter housing, and is adapted to block sunlight. The mounting system extends from the filter housing to securely mount the filter housing on the helicopter blade tracker.

主权项

1. A sunlight filter device for a helicopter blade tracker, comprising:
a hollow filter housing having a first opening, a second opening, and a receiving cavity; a filter assembly mounted in the receiving cavity of the hollow filter housing adapted to filter out sunlight; and a mounting system provided on the hollow filter housing to securely support the hollow filter housing on the helicopter blade tracker, wherein the helicopter blade tracker is disposed in optical communication with the filter assembly.