Patent ID: 9524630
Filing Date: 2016-12-20
CPC Classification: E02D,F24F,G01F,G01P,G08B,Y02B

Claim Text:
1. An apparatus for monitoring air flow in a vent pipe of a radon mitigation system, comprising: a base connectable to the vent pipe, the base housing a circuit that is actuatable to indicate the condition of the radon mitigation system; and an air flow switch for actuating the circuit, the air flow switch comprising a vane that is supported by the base and extends into the interior of the vent pipe through an opening in a wall of the vent pipe, the vane comprising a wing including portions that are deflectable to permit installation of the wing through an opening in the vent pipe, the deflectable portions returning under their own resilience to their non-deflected conditions once they pass through the opening in the vent pipe.