EP0079210A2
Expired / Lapsed
EP
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Device for determining the soot content of an oil sample
Assignee: Mobil Oil AS
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Filing: 1982-11-05
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Granted: —
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Expires: 2002-11-05
Abstract
Abstract A device for determining the soot content of an oil sample comprises an oil-sample receptacle 6 capable of transmitting infra-red radiation, an infra-red source 1-3 disposed on one side of the receptacle 6 and an infra-red detector 10 disposed on the other side of the receptacle 6. The infra-red source is combined with the receptacle 6 so that the wall 4 or an aperture in the wall 4 of the receptacle defines part of the bulb body 3 of the source.
Inventors
- 👤 Lutz Hohensang
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 00:20
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/26; G01N33/28; G01N33/2888; G01N21/00; G01N21/17; G01N21/25; G01N21/31; G01N21/35; G01N21/3577
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
70 words
A device for determining the soot content of an oil sample comprising an oil-sample receptacle capable of transmitting infra-red radiation, a source of infra-red radiation disposed on one side of the receptacle and an infra-red detector disposed on the other side of the receptacle, wherein the wall or an aperture in the wall of said one side of the receptacle forms part of a bulb body of the infra-red source.
Claim 2
Independent Claim
70 words
A device for determining the soot content of an oil sample comprising an oil-sample receptacle capable of transmitting infra-red radiation, a source of infra-red radiation disposed on one side of the receptacle and an infra-red detector disposed on the other side of the receptacle, wherein the wall or an aperture in the wall of said one side of the receptacle forms part of a bulb body of the infra-red source.
Claim 3
Dependent Claim
20 words
A device as claimed in claim 1 wherein the walls of.said sides of the receptacle are formed of calcium fluoride.
Claim 4
Dependent Claim
23 words
A device as claimed in claim 1 or claim 2 comprising means for housing a low voltage supply for powering said infra-red source.
Claim 5
Independent Claim
36 words
A device as claimed in any preceding claim wherein the walls of said sides of the receptacle are held in parallel, spaced relationship to define a narrow passage for receiving an oil sample to be tested.
Claim 6
Independent Claim
31 words
A device as claimed in any preceding claim wherein the remainder of the bulb body is formed of glass and is adhesively secured to said one side wall of the receptacle.
References Cited (Backward Citations)
No citation records indexed.
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