Internal-combustion engines – Poppet valve operating mechanism – Tappet
Reexamination Certificate
2002-05-31
2004-02-10
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
Tappet
C123S090490, C123S090500
Reexamination Certificate
active
06688269
ABSTRACT:
CROSS REFERENCE TO RELATED APPLICATIONS
Applicant claims priority under 35 U.S.C. §119 of German Application No. 199 58 314.5 filed Dec. 3, 1999. Applicant also claims priority under 35 U.S.C. §120 of PCT/EP00/10805 filed Nov. 2, 2000. The international application under PCT article 21(2) was not published in English.
The invention relates to a roller tappet according to the preamble of claim 1 for internal combustion engines. Such a roller tappet is known from Japanese Patent 7-208121 A.
In the known roller tappet, the roller is mounted in conventional manner.
The invention deals with the problem of providing a weight-saving mounting for the roller in the main tappet body. For roller tappets of the class under consideration, this problem is solved by the characterizing features of claim 1. Advantageous improvements are subject matter of the dependent claims.
REFERENCES:
patent: 4231267 (1980-11-01), Van Slooten
patent: 5127374 (1992-07-01), Morel et al.
patent: 5178107 (1993-01-01), Morel et al.
patent: 5239951 (1993-08-01), Rao et al.
patent: 5261361 (1993-11-01), Speil
patent: 5931133 (1999-08-01), Giannone et al.
patent: 6164255 (2000-12-01), Maas et al.
patent: 29 41 495 (1980-05-01), None
patent: 41 17 425 (1992-07-01), None
patent: 44 21 535 (1995-12-01), None
patent: 198 52 605 (2000-05-01), None
patent: 7208121 (1995-08-01), None
Collard & Roe P.C.
Corrigan Jaime
Denion Thomas
Mahle Ventiltrieb GmbH
LandOfFree
Roller tappet does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Roller tappet, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Roller tappet will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3289911