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:
Sep. 29, 2015
Filed:
Jun. 13, 2014
Dave Fletcher, Flint, MI (US);
Brian M. Graichen, Leonard, MI (US);
Keith Hampton, Ann Arbor, MI (US);
Matt Gilmer, Whitmore Lake, MI (US);
James H. Miller, Ortonville, MI (US);
Steve Long, Berkley, MI (US);
Dave Fletcher, Flint, MI (US);
Brian M. Graichen, Leonard, MI (US);
Keith Hampton, Ann Arbor, MI (US);
Matt Gilmer, Whitmore Lake, MI (US);
James H. Miller, Ortonville, MI (US);
Steve Long, Berkley, MI (US);
DAYCO IP HOLDINGS, LLC, Troy, MI (US);
Abstract
An engine system having a compressor coupled to an engine and supplying air to an intake manifold, a throttle controlling the supply of air from the compressor to the intake manifold, a vacuum reservoir, an aspirator having its motive section in fluid communication with the air intake system upstream of the compressor and its discharge section in fluid communication downstream of the compressor and a suction port in fluid communication with the vacuum reservoir, a compressor recirculation valve having a pneumatic control chamber in fluid communication with downstream air from the compressor and in fluid communication with the vacuum reservoir, a gate valve controlling the fluid communication of the pneumatic control chamber of the compressor recirculation valve with the downstream air and the vacuum reservoir, and a bleed line having a bleed valve in fluid communication with the vacuum reservoir and the pneumatic control chamber of the compressor recirculation valve.