Washing machine having a treating agent dispensing system

• US 3,301,022 A
• Filed: 03/15/1965
• Issued: 01/31/1967
• Est. Priority Date: 03/15/1965
• Status: Expired due to Term

• Current Assignee: Frank D. Low
• Original Assignee: Frank D. Low
• Inventors: Low, Frank D.
• Application Number:
  US04/439,883
• Time in Patent Office: 687 Days
• US Class Current: 68/12.18
• CPC Class Codes: D06F 37/145 ribs or lifters having means for circulating the washing liquid
• CPC Class Codes: D06F 39/022 in a liquid state D06F39/024 takes precedence
• CPC Class Codes: D06F 39/08 Liquid supply or discharge arrangements supply of soap or other washing agents D06F39/02
• CPC Class Codes: Y10T 137/729 Washing machine cycle control
• CPC Class Codes: Y10T 137/86389 Programmer or timer
• CPC Class Codes: Y10T 137/87619 With selectively operated flow control means in inlet

Claims

1. A WASHING MACHINE COMPRISING:

(A) CONTAINER MEANS FOR WATER AND ARTICLES TO BE WASHED;

(B) WATER INLET MEANS ARRANGED TO CONTROL PASSAGE OF WATER TO SAID CONTAINER MEANS AND ADAPTED TO BE CONNECTED TO A SOURCE OF WATER UNDER PRESSURE, SAID INLET MEANS INCLUDING FIRST AND SECOND VALVE MEANS;

(C) MEANS FORMING OF AIR BREAK BETWEEN SAID FIRST AND SECOND VALVE MEANS AND SAID CONTAINER MEANS;

(D) A RESERVOIR FOR LIQUID TREATING AGENT;

(E) CONDUIT MEANS HAVING ONE END WITHIN SAID RESERVOIR IN ASPIRATING RELATION TO LIQUID THEREWITHIN AND HAVING ITS OTHER END CONNECTED TO SAID FIRST VALVE MEANS ABOVE SAID RESERVOIR SO AS TO BE SUBJECTED TO THE ASPIRATING EFFECT OF FLOWING WATER UPSTREAM OF SAID AIR BREAK;

(F) SAID SECOND VALVE MEANS PASSING A SUBSTANTIALLY LARGER AMOUNT OF WATER WHEN OPENED THAN SAID FIRST VALVE MEANS;

AND (G) A CONTROL SYSTEM FOR CONTROLLING THE PERIODS DURING WHICH SAID FIRST VALVE MEANS IS OPEN AND DURING WHICH SAID SECOND VALVE MEANS IS OPEN.