US 12,420,365 B2
Tool kit for heat exchanger and method of detaching heat exchanger end cover
Da Jin, Shanghai (CN)
Assigned to CARRIER CORPORATION, Palm Beach Gardens, FL (US)
Filed by Carrier Corporation, Palm Beach Gardens, FL (US)
Filed on Mar. 6, 2024, as Appl. No. 18/597,289.
Claims priority of application No. 202310204941.6 (CN), filed on Mar. 6, 2023.
Prior Publication US 2024/0300060 A1, Sep. 12, 2024
Int. Cl. E05D 7/00 (2006.01); B23P 19/04 (2006.01)
CPC B23P 19/04 (2013.01) [F28F 2280/105 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A tool kit for a heat exchanger, wherein the heat exchanger comprises an end flange and an end cover mounted to the end flange, the tool kit comprising:
at least a first hinge device and a second hinge device, wherein the first hinge device and the second hinge device are configured to be mounted between the end flange and the end cover at a first position and a second position on a same axis, the first hinge device and the second hinge devices each comprising:
a base, configured to be fixedly connected to the end flange;
a rotating member, configured to be fixedly connected to the end cover;
a connecting member, configured to be detachably connected to the base and the rotating member, so that the rotating member is capable of rotating along the same axis relative to the base; and
an abutting bolt for passing through a threaded hole of the base to press against the edge of the end flange or to press against one or more spacers arranged between the edge of the end flange and the base.