EP 1875227 A1 20080109 - RAPID ANALYSIS OF FUNCTIONAL FLUIDS
Title (en)
RAPID ANALYSIS OF FUNCTIONAL FLUIDS
Title (de)
SCHNELLANALYSE FUNKTIONELLER FLÜSSIGKEITEN
Title (fr)
ANALYSE RAPIDE DES FLUIDES FONCTIONNELS
Publication
Application
Priority
US 2005012936 W 20050414
Abstract (en)
[origin: WO2006112827A1] The invention relates to a method to analyze the condition of a functional fluid comprising: (1) obtaining a sample of the used fluid; (2) placing the sample of the fluid to a test medium; (3) reacting the fluid with an indicator in the test medium; (4) analyzing visually the results of the reactor resulting in the determination of the condition of the fluid. Further an apparatus for analyzing functional fluids is disclosed in the form of a test medium consisting of an absorbent or nonabsorbent material which has been treated with a chemical indicator, marker substance or a developer or detector reagent upon which a sample of the fluid to be tested is placed. The components in the treated test medium react with components in the test fluid providing a visual indication, for example a color change, to judge the condition, the presence of a marker substance or another parameter of the fluid. The functional fluid may be a lubricant, fuel or other functional fluid of innumerable sources, including internal combustion engines, turbines, transmissions, differentials, pumps, metalworking operations, cooling systems, etc, and be either organic solvent or aqueous based.
IPC 8 full level
G01N 31/22 (2006.01); G01N 33/28 (2006.01)
CPC (source: EP)
G01N 21/77 (2013.01); G01N 33/2876 (2013.01); G01N 33/2888 (2013.01); G01N 21/78 (2013.01); G01N 21/80 (2013.01); G01N 33/2882 (2013.01); G01N 2021/7786 (2013.01)
Citation (search report)
See references of WO 2006112827A1
Citation (examination)
- US 5313824 A 19940524 - HERGUTH WILLIAM R [US], et al
- US 3498751 A 19700303 - NEWHART JAMES E, et al
- DATABASE WPI Week 197946, Derwent World Patents Index; AN 1979-83419B
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 2006112827 A1 20061026; BR PI0520193 A2 20090422; CA 2604168 A1 20061026; CA 2604168 C 20130709; EP 1875227 A1 20080109; JP 2008538411 A 20081023; JP 4889726 B2 20120307; MX 2007012671 A 20071213
DOCDB simple family (application)
US 2005012936 W 20050414; BR PI0520193 A 20050414; CA 2604168 A 20050414; EP 05735357 A 20050414; JP 2008506426 A 20050414; MX 2007012671 A 20050414