The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 2025
Filed:
Feb. 24, 2023
Parker-hannifin Corporation, Cleveland, OH (US);
Eric R. Coyle, Chesterfield, MO (US);
Raghujit Prasad Kunapuli, Chesterfield, MO (US);
Parker-Hannifin Corporation, Cleveland, OH (US);
Abstract
A bulbless thermostatic expansion valve has enhanced joining of the power element to the valve body. The valve body includes an upper extension that extends from a main body portion, an end of the upper extension being crimped into a lip relative to an opposing surface of the main body portion thereby defining a recess that receives a portion of the housing of the power element to the join the power element to the valve body. The lip may be formed by roll forming the end of upper extension of the valve body. The housing of the power element may be a multipart housing including an upper housing and a lower housing, with a diaphragm being secured between the upper housing and the lower housing, and an end of the lower housing is the portion of the housing of the power element that is received within the recess.