Oatey Company

Mide Technology Corporation

Luke Clovis Saindon

Marthinus Van Schoor

Attila Jozsef Lengyel

Noel Jared Keegan

Nicholas Burnell

A dual stage pressure relief valve for relieving pressure. The pressure relief valve includes a main body, a poppet bulb, a pilot piston, and a poppet cap. The main body defines a main channel that extends from a first opening to a second opening. The poppet bulb defines a first flow channel being in fluid communication with the main channel. The pilot piston defines a reset channel in fluid communication with the first flow channel of the poppet bulb. The cap channel has a diameter that is greater than a diameter of the reset channel. The poppet cap defines a cap channel in fluid communication with the reset channel of the pilot piston and with a pressure cavity defined by the poppet cap and an end of the main body.

Dual stage pressure relief valve

A constant volume flexible joint system includes a flexible membrane for coupling across a joint and spaced radial support ribs fitted to the membrane. Axial support structures are coupled to the spaced radial support ribs preventing axial deformation of the joint due to a differential pressure. The axial support structure preferably include pivoting sockets and blocks enabling the joint to flex and the flexible membrane to contract on the inside of a bend and expand by an equal or near equal amount on the outside of the bend resulting in a constant volume joint that requires low or no torque throughout the bending motion.

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Malden, MA, United States of America

Luke Clovis Saindon