Variable camshaft timing for internal combustion engine
Patent
·
OSTI ID:5775489
This patent describes an internal combustion engine. It comprises a rotatable crankshaft; a camshaft, the camshaft being rotatable about its longitudinal central axis and being subject to a unidirectionally acting torque during the rotation thereof; first means mounted on the camshaft, the first means being oscillatable with respect to the camshaft about the longitudinal central axis of the camshaft at least through a limited arc; second means keyed to the camshaft for rotation therewith; rotary movement transmitting means interconnecting the crankshaft and one of the first means and the second means for transmitting rotary movement from the crankshaft to the camshaft; a first hydraulic cylinder having a body end pivotably attached to one of the first means and the second means and a piston end pivotably attached to the other of the first means and the second means; a second hydraulic cylinder having a body end pivotably attached to the one of the first means and the second means and a piston end pivotably attached to the other of the first means and the second means, the second hydraulic cylinder and the first hydraulic cylinder being disposed to act in opposite directions.
- Assignee:
- Borg-Warner Automotive Transmission and Engine Components Corp., Sterling Heights, MI (United States)
- Patent Number(s):
- A; US 5046460
- Application Number:
- PPN: US 7-584913
- OSTI ID:
- 5775489
- Country of Publication:
- United States
- Language:
- English
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