Internal-combustion engines – Means to whirl fluid before – upon – or after entry into...
Reexamination Certificate
2005-04-12
2005-04-12
Huynh, Hai (Department: 3747)
Internal-combustion engines
Means to whirl fluid before, upon, or after entry into...
Reexamination Certificate
active
06877478
ABSTRACT:
The present invention is a variable tumble flow-generating device. The device comprises a bulkhead for dividing an intake port into a first passage and a second passage, an opening degree control valve for selectively changing an opening degree of the first and second passages; and a drive for operating the opening angle control valve. The variable tumble flow-generating device can generate tumble flow by making air flowing through different passages while minimizing a flow resistance of air supplied into the combustion chamber, utilizing a simple structure limiting installation space in relation with other parts. The variable tumble flow-generating device is manufactured by adding only a structure where the bulkhead is previously assembled with the intake port core of the prior art. For this reason, this is a simple structure is manufactured inexpensively.
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Hwang Gyu-Han
Kim Gyu-Hwan
Huynh Hai
Hyundai Motor Company
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