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. 24, 2009
Filed:
Nov. 02, 2006
Phillippi R. Pierce, Canton, OH (US);
Jesse Cervantez, Navarre, OH (US);
Phillippi R. Pierce, Canton, OH (US);
Jesse Cervantez, Navarre, OH (US);
Hendrickson USA, L.L.C., Itasca, IL (US);
Abstract
A height control valve for an air spring of an air-ride axle/suspension system of a heavy-duty vehicle includes a body. The valve body is pneumatically connected to an air reservoir of the vehicles an ail spring, and to atmosphere A control arm actuates the valve to direct air from the reservoir into the air spring, when air is to be added to the air spring When air is to be exhausted from the air spring, the valve, actuated by the control arm, directs air from the air spring to atmosphere The valve includes a throttle assembly that can regulate the rate of pneumatic flow from the air spring to atmosphere when the vehicle is loaded and the air spring is in an extended condition. A throttle assembly can also be used to regulate the rate of pneumatic flow from the air reservoir to the air spring.