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:
Oct. 22, 2024
Filed:
Mar. 13, 2020
Donaldson Company, Inc., Minneapolis, MN (US);
Isaac Laffey, Waterloo, IA (US);
Danny W. Miller, Ackley, IA (US);
Eric Ward, Janesville, IA (US);
Michael Lockert, Cedar Falls, IA (US);
David Gutman, Brussels, BE;
Mathijs Verstraete, Tienen, BE;
Johnny Craessaerts, Sint-Agatha-Rode, BE;
Donaldson Company, Inc., Bloomington, MN (US);
Abstract
Embodiments herein relate to filter restriction indicator () for a filtration system. In an embodiment, a filter restriction indicator () can have an electronics control cartridge () including an internal spacer frame (), a first circuit board (), a second circuit board () disposed over the first circuit board (), and a pressure sensor () in electrical communication with the first circuit board (). A filter fluid tube () defines a filter fluid channel () in fluid communication with the pressure sensor (). The internal spacer frame () can secure the first circuit board () at a fixed distance from the second circuit board (). A lower housing () defines an ambient pressure port (). A cap () defines an interior volume () into which the electronics control cartridge fits (). The cap () can define a shielding panel () configured to fit over an exterior portion of the ambient pressure port () when the cap () is engaged with the lower housing (). Other embodiments are also included herein.