Patent ID: 9568111
Date: 2017-02-14
CPC Classifications: F16K

Claim:
1. A shutter valve for regulating pressure and controlling fluid flow, comprising: an actuator ring comprising a plurality of gear teeth, the gear teeth driven by a mating gear; a plurality of obturator pin bosses, each obturator pin boss of the plurality of obturator pin bosses affixed within an inside circumference of the actuator ring, and each obturator pin boss further comprising a hinge pin aperture; three or more obturator elements, each obturator element of the three or more obturator elements defining a petal shape structure including a tongue and groove feature along at least a portion of an outside circumference thereof, wherein the tongue and groove feature includes a ridge on a first side of the portion of the outside circumference and a channel on a second side of the portion of the outside circumference, and wherein each obturator element is hingedly coupled to the hinge pin aperture of the obturator pin boss; a hook element located at an apex of said petal shape structure of each obturator element; and a housing defining a cavity for holding the actuator ring and the three or more obturator elements.