US 12,352,511 B2
Telescoping cover for a threaded rod
John Bossick, Charlotte, NC (US); Neil Jarman, Charlotte, NC (US); and Pete Matkovics, Charlotte, NC (US)
Assigned to SPX Flow, Inc., Charlotte, NC (US)
Filed by SPX Flow, Inc., Charlotte, NC (US)
Filed on Oct. 4, 2022, as Appl. No. 17/959,717.
Prior Publication US 2024/0110754 A1, Apr. 4, 2024
Int. Cl. F28F 9/00 (2006.01); F28F 9/007 (2006.01); F28F 9/26 (2006.01)
CPC F28F 9/007 (2013.01) [F28F 9/26 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A plate heat exchanger comprising:
a head;
a housing having a driving mechanism;
a frame disposed between the head and housing;
a pack of heat exchange plates;
a follower configured to slide along the frame and compress the pack between the follower and the head, the follower having a nut, the nut having internal threads;
a first tie bar disposed between the head and the housing, the first tie bar having external threads configured to mate with the internal threads of the nut, the driving mechanism being configured to rotate the first tie bar, wherein the follower is configured to translate along the first tie bar in response to rotation of the first tie bar; and
a first telescoping cover disposed between the head and the follower, the first telescoping cover covering the first tie bar, sealing the first tie bar from the outside environment, and controlling the ingress and egress of fluid coming into contact with the first tie bar disposed within the first telescoping cover.