Patent ID: 11898652
Assignee: FISHER CONTROLS INTERNATIONAL LLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B  Y | IPC B  F

Claim 0:
1. A flow control device, comprising:
a valve body having an inlet, an outlet, and a flow path connecting the inlet and the outlet; and
a unitary trim cartridge assembly secured to the valve body, the trim cartridge assembly comprising:
a cage disposed in the flow path and including an exterior groove formed on an exterior surface of the cage;
a bonnet coupled to the cage and including an overlapping portion and an interior groove formed on an interior surface of the bonnet and on the overlapping portion; and
a retaining element disposed between the cage and the bonnet and extending into the interior groove of the bonnet and the exterior groove of the cage;

wherein
a height of the interior groove in the bonnet and/or a height of the exterior groove of the cage is greater than a height of the retaining element to allow the cage to move longitudinally within the bonnet with the bonnet and cage assembled.