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. 19, 2002
Filed:
Nov. 09, 2000
Sassan Etemad, Västra Frölunda, SE;
Volvo Personvagner AB, Gothenburg, SE;
Abstract
The invention relates to an internal combustion engine comprising a cylinder block with at least one cylinder and at least one intake and exhaust valve per cylinder. A cooling system includes an inlet opening that is formed in the cylinder block and leads to a first coolant space in the cylinder block. At least one restriction element is arranged in the first coolant space. A second coolant space is arranged in a cylinder head and inlet ports are arranged in the cylinder head which connect the first and second coolant spaces to one another. The inlet ports are principally situated on an exhaust side of the cylinder head. Outlet ports are arranged in the cylinder head and connect the first and second coolant space to one another. The outlet ports are principally situated on an intake side of the cylinder head. An outlet opening formed in the cylinder block has a connection to the first coolant space.