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Title:
A LUBRICATION OIL PUMP, A CYLINDER LUBRICATING SYSTEM, AND AN INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2010/136525
Kind Code:
A3
Abstract:
The invention relates to a lubrication oil pump (1) for dosing a pre-settable amount of a cylinder lubrication oil (2) to a lubricating quill-opening of a cylinder of an internal combustion engine, in particular a two stroke large diesel engine. Said lubrication oil pump (1) comprising a housing (3) with a main hydraulic cylinder section (4) having a first axial end surface (5) and a second axial end surface (6), and further comprising a primary piston section (7) within the hydraulic cylinder section (4). According to the invention, the primary piston section (7) includes an injection bore (8) for receiving an injection piston (9) in such a way, that the injection bore (8) and the injection piston (9) arranged therein form a lubricating volume (V) for dosing the pre-settable amount of the cylinder lubrication oil (2) und are relatively movable with respect to each other along a cylinder axis (10). In addition, the invention relates to a cylinder lubricating arrangement and an internal combustion engine with a lubricating arrangement according to the invention.

Inventors:
FULLAGAR, Edwin (Flüelistrasse 8, Winterthur, CH-8400, CH)
CASE, William (N9090 State Road, Ripon, WI, 54971, US)
Application Number:
EP2010/057318
Publication Date:
April 21, 2011
Filing Date:
May 27, 2010
Export Citation:
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Assignee:
WÄRTSILÄ SCHWEIZ AG (Zürcherstrasse 12, Winterthur, CH-8401, CH)
FULLAGAR, Edwin (Flüelistrasse 8, Winterthur, CH-8400, CH)
CASE, William (N9090 State Road, Ripon, WI, 54971, US)
International Classes:
F01M1/02; F16N13/04
Domestic Patent References:
WO2006089558A12006-08-31
Foreign References:
JPH01116209A1989-05-09
JP2003003966A2003-01-08
JPS4940724B11974-11-05
DE4230106A11993-03-18
DE20107681U12001-09-20
JPH04287817A1992-10-13
Attorney, Agent or Firm:
STEINER, Peter et al. (Sulzer Management AG, Patentabteilung / 0067Zürcherstrasse 14, Winterthur, CH-8401, CH)
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