Cam pully and cylinder head arrangement for an overhead cam engine
Patent
·
OSTI ID:5556683
This patent describes improvement in an air-cooled internal combustion engine. It includes a crankcase, a crankshaft disposed within the crankcase and extending externally of the crankcase, a cylinder extending from the crankcase and having a piston mounted for reciprocation therein and connected to the crankshaft, a cylinder head connected to the cylinder and including an overhead camshaft disposed therein, the camshaft extending externally of the cylinder head, a drive pulley mounted to the crankshaft externally of the crankcases, a cam pulley mounted to the camshaft externally of the cylinder head, drive means positively engaging the drive pulley and the cam pulley for transmitting rotary motion therebetween, and blower means driven by the crankshaft for drawing air in and blowing the air over the cylinder head. The improvement comprises: the cam pulley including means for directing air axially toward the cylinder head upon rotation of the cam pulley.
- Assignee:
- Tecumseh Products Co., Tecumseh, MI (USA)
- Patent Number(s):
- US 4982705; A
- Application Number:
- PPN: US 7-483063
- OSTI ID:
- 5556683
- Country of Publication:
- United States
- Language:
- English
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