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:
Aug. 01, 2000
Filed:
Apr. 12, 1999
Thomas John Mahoney, Elmwood Park, IL (US);
Monte Salzman, Lake in the Hills, IL (US);
SKF USA Inc., Elgin, IL (US);
Abstract
An air dryer having dual, spin-on canister assemblies. The unit also includes first and second valve bodies, each containing a moist air inlet valve, a dried air outlet valve and an exhaust and drain valve assembly. A single control valve assembly allows the exhaust valves to open in response to air pressure and close in the absence of pressure. The moist air inlet valves are responsive to high external air pressure for biasing the valves open. The dried air outlet valves have a small orifice therein to allow air to bleed therethrough when the valves are closed. The canisters each include inner and outer imperforate sleeves, and passages arranged such that incoming air passes between the sleeves, through the desiccant and out the dry air outlet valve. When the control valve shifts, the air flow is reversed and the desiccant is regenerated.