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:
Nov. 23, 2021
Filed:
Jun. 15, 2018
Pfeiffer Vacuum, Annecy, FR;
Pascal Jourdan, Poisy, FR;
PFEIFFER VACUUM, Annecy, FR;
Abstract
A sniffer probe is provided for a leak detector for checking the leak-tightness of gat object to be tested by means of a tracer gas. The sniffer probe includes a sniffer end piece that is configured to be connected to a pumping device of the leak detector, and a handle bearing the sniffer end piece, a capacitive proximity sensor including at least one handling detection electrode that is arranged in a grip portion of the handle, the capacitive proximity sensor being configured to send a handling detection signal that is associated with the at least one handling detection electrode to a processing unit of the leak detector in order to control the suction into the sniffer end piece according to the handling detection signal. A leak detector and a leak detection method for checking the leak-tightness of an object to be tested by means of a tracer gas are also provided.