Global Patent Index - EP 0520861 A1

EP 0520861 A1 19921230 - Valve tappet of plastic material and ceramic.

Title (en)

Valve tappet of plastic material and ceramic.

Title (de)

Ventilstössel aus Kunststoffbasis und Keramik.

Title (fr)

Poussoir de soupape à base d'un matériau plastique et de céramique.

Publication

EP 0520861 A1 19921230 (FR)

Application

EP 92401676 A 19920617

Priority

FR 9108035 A 19910628

Abstract (en)

The invention relates to a valve tappet (cam follower) (1) of the type comprising a plate (2) mounted on a body (3). The body is based on a plastic material chosen, for example, from the group comprising polyacetals, polyformaldehydes, polysulphones, polyetheretherketones, liquid crystal polymers, polyamides, polyimides, polyesters and epoxy resins. The plate is made of a ceramic material, preferably of silicon nitride.

IPC 1-7

F01L 1/14

IPC 8 full level

F01L 1/14 (2006.01); F01L 1/16 (2006.01); F01L 1/20 (2006.01)

CPC (source: EP)

F01L 1/14 (2013.01); F01L 1/143 (2013.01); F01L 1/16 (2013.01); F01L 1/205 (2013.01); F01L 2301/00 (2020.05); F01L 2301/02 (2020.05)

Citation (search report)

  • [E] DE 4117425 C1 19920730
  • [Y] US 4430970 A 19840214 - HOLTZBERG MATTHEW W [US], et al
  • [A] DE 3415228 A1 19851031 - AUDI AG [DE]
  • [A] US 4186696 A 19800205 - LINSEMANN DON R [US]
  • [A] DE 4019644 A1 19910110 - NGK SPARK PLUG CO [JP]
  • [X] PATENT ABSTRACTS OF JAPAN vol. 8, no. 57 (M-283)15 Mars 1984 & JP-A-58 210 308 ( YAMAHA HATSUDORI KK ) 7 Décembre 1983
  • [X] PATENT ABSTRACTS OF JAPAN vol. 13, no. 045 (M-792)2 Février 1989 & JP-A-63 253 106 ( HONDA MOTOR CO LTD ) 20 Octobre 1988
  • [A] PATENT ABSTRACTS OF JAPAN vol. 13, no. 090 (M-803)2 Mars 1989 & JP-A-63 285 206 ( HONDA MOTOR CO LTD ) 22 Novembre 1988

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0520861 A1 19921230; FR 2678347 A1 19921231; FR 2678347 B1 19940114

DOCDB simple family (application)

EP 92401676 A 19920617; FR 9108035 A 19910628