公开(公告)号：US20240060728A1

公开(公告)日：2024-02-22

申请号：US18385635

申请日：2023-10-31

Applicant: RTX CORPORATION

Inventor： Michael A. Disori ,  Steven J. Bullied ,  Ryan C. Breneman ,  John Marcin ,  David J. Hyland ,  William P. Stillman ,  Carl R. Verner

IPC: F28F1/26 ,  B22D27/04

CPC classification number: F28F1/26 ,  B22D27/045

Abstract: A cast part includes an outermost wall, at least one inner wall defining at least two internal passages and at least one cast cooling fin extending from an outer surface. The cast part including a cross-sectional circular area spanning at least a portion of each of four internal passages includes a ratio of interior empty space to inner wall space that improves heat transfer.

公开(公告)号：US12076784B1

公开(公告)日：2024-09-03

申请号：US18371732

申请日：2023-09-22

Applicant: RTX Corporation

Inventor： Markian Stephan Blazejowskyj ,  Carl R. Verner ,  Steven J. Bullied ,  Kevin James Pappas

IPC: B22D27/04 ,  B22C9/06

CPC classification number: B22D27/045 ,  B22C9/065

Abstract: A casting shell has: a part cavity shaped for casting the part; a starter/selector cavity below and connected to the part cavity; a connector cavity between the starter/selector cavity and the part cavity; and a support cavity. The support cavity has: a post section; a first linking section linking the post section to the starter section of the starter/selector cavity; and a second linking section linking the post section to the connector cavity, the second linking section having a portion descending from the post section toward the connector cavity.