Combustion gas analyzer for measuring temperature, smoke density and CO.sub .

Description

FIG. 1 is a perspective view of a combustion gas analyzer for measuring temperature, smoke density and CO.sub.2 of flue gas of an oil or gas burner showing my new design

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view from one side;

FIG. 4 is a top plan view;

FIG. 5 is a side elevational view from the other side;

FIG. 6 is a bottom view and

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D107122 March 1967 Yurdin
D180280 May 1957 Hartz
D195260 May 1963 Armbruster
3878964 April 1975 Fogle
Patent History
Patent number: D248457
Type: Grant
Filed: Aug 4, 1975
Date of Patent: Jul 11, 1978
Assignee: Lynn Products Co., Inc. (Lynn, MA)
Inventor: Daniel Cullinane, Jr. (Topsfield, MA)
Primary Examiner: Nelson C. Holtje
Attorney: John H. Pearson
Application Number: 5/601,265
Classifications
Current U.S. Class: Chemical (12) (D10/81); Measuring, Regulating Or Indicating Instrument, Or Casing (D10/46)
International Classification: D1004;