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1. (WO1991018189) TAPPETS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/018189 International Application No.: PCT/GB1991/000766
Publication Date: 28.11.1991 International Filing Date: 15.05.1991
Chapter 2 Demand Filed: 22.11.1991
IPC:
F01L 1/14 (2006.01) ,F01L 1/16 (2006.01) ,F01M 9/10 (2006.01) ,F16C 33/10 (2006.01) ,F16H 53/06 (2006.01) ,F16J 1/02 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
L
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
1
Valve-gear or valve arrangements, e.g. lift-valve gear
12
Transmitting-gear between valve drive and valve
14
Tappets; Push-rods
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
L
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
1
Valve-gear or valve arrangements, e.g. lift-valve gear
12
Transmitting-gear between valve drive and valve
14
Tappets; Push-rods
16
Silencing impact; Reducing wear
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
M
LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING
9
Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/-F01M7/158
10
Lubrication of valve gear or auxiliaries
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
C
SHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
33
Parts of bearings; Special methods for making bearings or parts thereof
02
Parts of sliding-contact bearings
04
Brasses; Bushes; Linings
06
Sliding surface mainly made of metal
10
Construction relative to lubrication
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
H
GEARING
53
Cams or cam-followers, e.g. rollers for gearing mechanisms
06
Cam-followers
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
J
PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
1
Pistons; Trunk pistons; Plungers
02
Bearing surfaces
Applicants:
T&N TECHNOLOGY LIMITED [GB/GB]; Cawston House Cawston Lane Rugby Warwickshire CV22 7SA, GB (AllExceptUS)
PARKER, David, Alec [GB/GB]; GB (UsOnly)
Inventors:
PARKER, David, Alec; GB
Agent:
DRURY, Peter, Lawrence ; T&N plc Bowdon House Ashburton Road West Trafford Park Manchester M17 1RA, GB
Priority Data:
9011124.617.05.1990GB
9011135.217.05.1990GB
Title (EN) TAPPETS
(FR) POUSSOIRS DE SOUPAPE
Abstract:
(EN) Tappets (10; 43; 100; 160) having a cylindrical body (12) are provided with friction reducing bearing portions (14; 90; 126, 128; 162, 164, 166) which project radially further than the remainder of the body (12). Each bearing portion has means (26, 28; 50, 58; 60; 70, 74; 92; 132, 134, 136, 138) to form a convergent gap with the bore (30) in which the tappet slides. The convergent gap forms a hydrodynamic oil lubrication film (150).
(FR) Poussoirs de soupape (10, 43, 100, 160) ayant un corps cylindrique (12) dotés de fractions portantes réductrices de friction (14, 90, 126, 128, 162, 164, 166) qui font radialement saillie par rapport au reste du corps (12). Chaque fraction portante comporte des dispositifs (26, 28, 50, 58, 60, 70, 74, 92, 132, 134, 136, 138) destinés à former un vide convergent avec le passage (30) dans lequel glisse le poussoir de soupape. Ledit vide convergent forme un film de lubrification à l'huile hydrodynamique (150).
Designated States: JP, US
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)