EP0265389A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Liquid lubricant filter with a paper filter element for internal combustion engines, provided with magnetised particles dispersed in the paper
Assignee: Fiat Lubrificanti SpA
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Filing: 1987-03-26
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Granted: —
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Expires: 2007-03-26
Abstract
Abstract A lubricant filter for internal combustion engines comprises a paper filter element in which magnetised particles, such as micronized iron oxides, are dispersed and anchored; this enables ferrous metal particles in the lubricant to be removed more effectively and radically by magnetic attraction.
Inventors
- 👤 Piero Chiampo
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 00:14
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/08; B; B01; B01D; B01D35/00; B01D35/06; B01D39/00; D21H17/00; D21H17/63; D21H17/67; D21H21/00; D21H21/14
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
28 words
Lubricant filter for internal combustion engines, of the type comprising a paper filter element, characterised in that magnetised particles are dispersed in the paper of the filter element.
Claim 2
Dependent Claim
28 words
Lubricant filter for internal combustion engines, of the type comprising a paper filter element, characterised in that magnetised particles are dispersed in the paper of the filter element.
Claim 3
Dependent Claim
14 words
Filter according to Claim 1, characterised in that the particles are of ferromagnetic material.
Claim 4
Dependent Claim
14 words
Filter according to Claim 1, characterised in that the particles are of ferrimagnetic material.
Claim 5
Dependent Claim
18 words
Filter according to Claim 3, characterised in that the ferrimagnetic material comprises pure iron oxides or mixtures thereof.
Claim 6
Dependent Claim
16 words
Filter according to Claim 1, characterised in that the particles are constituted by particles of magnetite.
Claim 7
Dependent Claim
23 words
Filter according to any of the preceding claims, characterised in that the diameter of the magnetised particles is between 1 and 8 microns.
Claim 8
Dependent Claim
29 words
Filter according to Claim 6, characterised in that the particles, in powder form, are mixed in the cellulose paste during the manufacture of the paper of the filter element.
Claim 9
Dependent Claim
25 words
Filter according to Claim 7, characterised in that the concentration of magnetised particles in the cellulose paste is between 20 and 30% by dry weight.
References Cited (Backward Citations)
No citation records indexed.
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