Internal combustion engine cooling
AssigneeGM Global Technology Operations LLC
InventorPeter Seeger
Life of this patent
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Abstract
An internal combustion engine for a motor vehicle drive includes a housing having a cylinder head water jacket, an exhaust water jacket and a combustion chamber water jacket. A valve is operable for adjusting a flow through a multi-channel coolant inlet. In particular, the valve provides continuous adjustment of a cross section, through which a fluid can flow of a multi-channel exhaust coolant outlet for admitting a flow to the exhaust water jacket and cross-section, through which a fluid can flow of a multi-channel combustion chamber coolant outlet for admitting a flow to the combustion chamber water jacket.
Claims20
An internal combustion engine for a motor vehicle drive comprising:
- a housing having a cylinder head water jacket, an exhaust water jacket and a combustion chamber water jacket;
- and
- a valve configured to selectively admit a coolant flow through a multi-channel coolant inlet by adjusting a cross section through which coolant can flow to a multi-channel exhaust coolant outlet for admitting the coolant flow to the exhaust water jacket and through which coolant can flow to a multi-channel combustion chamber coolant outlet for admitting a flow to the combustion chamber water jacket.
A method of cooling an internal combustion engine having a housing having a cylinder head water jacket, an exhaust water jacket and a combustion chamber water jacket, and a valve configured to selectively admit a coolant flow through a multi-channel coolant inlet by adjusting a cross section through which coolant can flow to a multi-channel exhaust coolant outlet for admitting the coolant flow to the exhaust water jacket and through which coolant can flow to a multi-channel combustion chamber coolant outlet for admitting a flow to the combustion chamber water jacket, the method comprising at least partially automatically adjusting the valve as a function of an operating temperature of the internal combustion engine.
An internal combustion engine for a motor vehicle drive comprising:
- a housing having a cylinder head water jacket, an exhaust water jacket and a combustion chamber water jacket;
- and
- a valve configured to selectively admit a coolant flow through a multi-channel coolant inlet by adjusting a cross section through which coolant can flow to a multi-channel exhaust coolant outlet for admitting the coolant flow to the exhaust water jacket and through which coolant can flow to a multi-channel combustion chamber coolant outlet for admitting a flow to the combustion chamber water jacket,
- wherein the valve comprises a rotary slide rotatably supported on a bearing for adjusting the cross section of the exhaust coolant outlet and the combustion chamber coolant outlet, wherein the cross-sections by turning the rotary slide and wherein the valve is positionable such that open sections of the rotary slide partially covers through openings of the combustion chamber coolant outlet and through openings of the exhaust coolant outlet so that fluid can flow through the exhaust coolant outlet and the combustion chamber coolant outlet.
Dependencies are inferred from the claim text.