12/27/2022 0 Comments Samson boiler draft control239000007791 liquid phase Substances 0.000 claims description 2.238000006073 displacement reaction Methods 0.000 claims abstract description 15.Assignors: VOLLMER, RUDOLF Application granted granted Critical Publication of US4452184A publication Critical patent/US4452184A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to DE19813143853 priority Critical patent/DE3143853C2/en Priority to DE3143853 priority Priority to DE3204179 priority Priority to DE19823204179 priority patent/DE3204179A1/en Application filed by Honeywell Braukmann GmbH filed Critical Honeywell Braukmann GmbH Assigned to HONEYWELL-BRAUKMANN GMBH reassignment HONEYWELL-BRAUKMANN GMBH ASSIGNMENT OF ASSIGNORS INTEREST. Original Assignee Honeywell Braukmann GmbH Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US06/437,712 Inventor Rudolf Vollmer Current Assignee (The listed assignees may be inaccurate. Google Patents Boiler draft control deviceÄownload PDF Info Publication number US4452184A US4452184A US06/437,712 US43771282A US4452184A US 4452184 A US4452184 A US 4452184A US 43771282 A US43771282 A US 43771282A US 4452184 A US4452184 A US 4452184A Authority US United States Prior art keywords thermostat control safety boiler push rod Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4452184A - Boiler draft control device
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