Electric-selection multi-reservoir liquid dispenser

• US 3,094,247 A
• Filed: 10/10/1960
• Issued: 06/18/1963
• Est. Priority Date: 10/10/1960
• Status: Expired due to Term

• Current Assignee: Vito V. Marchi
• Original Assignee: Vito V. Marchi
• Inventors: Marchi, Vito V.
• Application Number:
  US04/061,721
• Time in Patent Office: 981 Days
• US Class Current: 222/54
• CPC Class Codes: A47L 15/4418 in the form of liquids A47L15/4409, A47L15/4436, A47L15/4445 take precedence
• CPC Class Codes: D06F 34/08 Control circuits or arrangements thereof
• CPC Class Codes: D06F 39/022 in a liquid state D06F39/024 takes precedence
• CPC Class Codes: G01F 11/08 of the diaphragm or bellows type

Claims

1. A COMBINATION COMPRISING AT LEAST ONE CLOSED LIQUID RESERVOIR;

A DISCHARGE CONDUIT LEADING FROM THE LIQUID CONTENTS OF SAID RESERVOIR;

A CONTAINED GAS IN CONTACT WITH SAID LIQUID CONTACTS;

AND PUMP MEANS TO DISPLACE SAID CONTAINED GAS TO IN TURN DISPLACE SAID LIQUID CONTENTS TO DISPENSE A PORTION THEREOF OUT OF THE DISCHARGE CONDUIT;

SAID PUMP MEANS COMPRISING AN EXPANSIBLE GAS CHAMBER IN CONTACT WITH THE CONTAINED GAS;

MEANS TO THERMALLY EXPAND THE GAS IN SAID CHAMBER TO CAUSE CHAMBER EXPANSION WITH RESULTANT DISPLACEMENT OF THE CONTAINED GAS;

ELECTRICAL SWITCH MEANS IN OPERATIVE RELATIONSHIP WITH SAID CHAMBER FOR ACTUATION RESPONSIVE TO CHAMBER EXPANSION;

AND VALVE MEANS ASSOCIATED WITH SAID CLOSED LIQUID RESERVOIR;

SAID VALVE MEANS BEING CONTROLLED BY THE ELECTRICAL SWITHC MEANS TO SELECTIVELY VENT THE CONTAINED GAS TO PERMIT METERING THE AMOUNT OF LIQUID CONTENTS DISPENSED.