公开(公告)号：US3564589A

公开(公告)日：1971-02-16

申请号：US3564589D

申请日：1969-10-13

Applicant: HENRY M ARAK

Inventor： ARAK HENRY M

IPC: A01K63/06 ,  H01H37/28 ,  H05B3/80

CPC classification number: H05B3/80 ,  A01K63/065 ,  H01H37/28

Abstract: AN IMMERSION-TYPE ELECTRIC AQUARIUM HEATER CONSISTING OF A HOUSING, SECURABLE TO AN AQUARIUM WALL, IN COMBINATION WITH AN OPEN-NECKED TUBE OPENING INTO AND SUSPENDED FROM THE HOUSING, WITH A HEATING ELEMENT AND A MOUNTING-SUPPORTED TEMPERATURE-RESPONSIVE SWITCH UNIT DISPOSED WITHIN THE TUBE AND ELECTRICALLY CONNECTED IN A CIRCUIT TO AN ELECTRIC PLUG, WITH THE CONTACT POINTS OF THE SWITCH UNIT MEMBERS MANUALLY ADJUSTABLE WITH RESPECT TO EACH OTHER, AND A CAPACITOR ELECTRICALLY CONNECTED ACROSS THE LINES OF THE ELECTRIC PLUG IN A CIRCUIT PARALLEL TO THE CIRCUIT OF THE HEATING ELEMENT.