Wet/dry cylinder liner for high output engines
Patent
·
OSTI ID:6727736
This patent describes a cooling arrangement in an internal combustion engine comprising a cylinder head and cylinders each of which includes a cylinder wall and cylinder bore. It comprises: a cylinder liner having a predetermined length and being received in each of the bores, a lower portion of each liner being a dry portion of the liner which is received in a corresponding bore with an interference fit along the substantial length of the lower portion under operating conditions, the lower portion constituting approximately two-third of the length of the liner and providing support for the liner; an upper portion of the liner being disposed at a combustion region of the cylinder and being formed to provide a plurality of passages for liquid coolant extending in a substantially parallel arcuate paths around the cylinder liner, the arcuate paths comprise means for increasing velocity of the liquid coolant around the combustion region the passages being of substantially constant cross-section so as to provide substantially uniform high velocity circulation of liquid coolant around the cylinder liner in the combustion region.
- Assignee:
- Mack Trucks, Inc., Allentown, PA (USA)
- Patent Number(s):
- A; US 4926801
- Application Number:
- PPN: US 7-136400A
- OSTI ID:
- 6727736
- Country of Publication:
- United States
- Language:
- English
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