Patent ID: 11938533
Assignee: FISHER CONTROLS INTERNATIONAL LLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
1. A method of forming a valve body having an area of dissimilar material fused therein, the method comprising:
forming a valve core, the valve core having an inlet section and an outlet section that are connected by a port section;
splitting the valve core into a first core part and a second core part;
placing a metal ring between the first core part and the second core part;
joining the first core part and the second core part together to form the valve core with the metal ring;
placing the valve core in a casting pattern;
filling the casting pattern with valve body material to form a valve body;
fusing the metal ring with the valve body material during the filling of the casting pattern by partially melting the metal ring, thereby allowing the metal ring material to fuse with the valve body material;
cooling the valve body material; and
removing the valve core,
wherein the first core part includes a first alignment structure and the second core part includes a second alignment structure that engages the first alignment structure when the first core part and the second core part are joined together,
wherein the first alignment structure comprises a first post and a first hole disposed on the first core part, and
wherein the second alignment structure comprises a second post and a second hole disposed on the second core part.