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Patent Searching and Data


Title:
MULTI-MODE VALVE LIFT
Document Type and Number:
WIPO Patent Application WO/2019/138039
Kind Code:
A1
Abstract:
An overhead cam engine system comprises a rotating overhead exhaust cam rail comprising a plurality of exhaust lobes. A first switching roller finger follower actuates a first exhaust valve, and is configured to switch between a first lift profile and a second lift profile. A second switching roller finger follower is coupled to actuate a second exhaust valve, and is configured to switch between a third lift profile and a fourth lift profile. The third and fourth lift profile are different than the first and second lift profile. An actuation assembly is connected to switch the first switching roller finger follower and the second switching roller finger follower to select between at least three exhaust lift modes to open and close the first exhaust valve and the second exhaust valve using combinations of the first, second, third and fourth lift profiles.

Inventors:
VANCE, Matthew A. (8479 Kaleb Kove Street, Kalamazoo, MI, 49009, US)
ANDRISANI, Nicola (Strada Decima 66, Cumiana Turin, 10040, IT)
BAGAL, Nilesh L. (23642 Little Stones Court Apt. 1101, Novi, MI, 48375, US)
RADULESCU, Andrei D. (15299 Walters Drive, Marshall, MI, 49068, US)
Application Number:
EP2019/050638
Publication Date:
July 18, 2019
Filing Date:
January 11, 2019
Export Citation:
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Assignee:
EATON INTELLIGENT POWER LIMITED (30 Pembroke Road, Dublin, 4, 4, IE)
International Classes:
F01L1/18; F01L1/053; F01L1/24; F01L1/46; F01L13/00; F02B23/10; F02D13/02; F02D13/06; F02D41/00
Domestic Patent References:
WO2013140998A12013-09-26
WO2018068041A12018-04-12
Foreign References:
US20050183693A12005-08-25
DE102010007023A12011-08-04
JPS5925013A1984-02-08
US20160032846A12016-02-04
Attorney, Agent or Firm:
SCHWAN SCHORER & PARTNER MBB (Bauerstr. 22, München, 80796, DE)
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