CONTINUOUS VARIABLE VALVE TIMING APPARATUS AND ENGINE PROVIDED WITH THE SAME

摘要

A continuously variable valve timing apparatus may include a camshaft, a first and a second cam portions of which two cams are formed thereto, of which the camshaft is inserted thereinto and of which relative phase angles with respect to the camshaft are variable, a first and a second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively, a first and a second slider housings of which the first and second inner brackets are rotatably inserted thereinto respectively and of which relative positions with respect to the camshaft are variable, a control shaft connected with the slider housings and a control portion connected with the control shaft and selectively changing the positions of the inner brackets.

主权项

1. A continuously variable valve timing apparatus comprising:
a camshaft; a first cam portion and a second cam portion of which two cams are formed thereto, of which the camshaft is inserted thereinto and of which relative phase angles with respect to the camshaft are variable; a first inner bracket and a second inner bracket transmitting rotation of the camshaft to the first cam portion and the second cam portion respectively; a first slider housing and a second slider housings of which the first inner bracket and the second inner bracket are rotatably inserted thereinto respectively and of which relative positions with respect to the camshaft are variable; a control shaft connected with the first and second slider housings; and a control portion connected with the control shaft and selectively changing the positions of the first and second inner brackets.