Timer controlled clothes dryer

• US 3,071,864 A
• Filed: 05/19/1960
• Issued: 01/08/1963
• Est. Priority Date: 05/19/1960
• Status: Expired due to Term

• Current Assignee: Melvin A. Menk
• Original Assignee: Melvin A. Menk
• Inventors: Menk, Melvin A.
• Application Number:
  US04/030,142
• Time in Patent Office: 964 Days
• US Class Current: 34/527
• CPC Class Codes: D06F 2103/08 Humidity
• CPC Class Codes: D06F 2103/32 Temperature
• CPC Class Codes: D06F 2103/34 Humidity
• CPC Class Codes: D06F 2103/36 Flow or velocity
• CPC Class Codes: D06F 2103/38 Time, e.g. duration
• CPC Class Codes: D06F 2105/24 Flow or velocity
• CPC Class Codes: D06F 2105/28 Electric heating
• CPC Class Codes: D06F 2105/32 Air flow control means
• CPC Class Codes: D06F 2105/52 Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
• CPC Class Codes: D06F 34/06 Timing arrangements
• CPC Class Codes: D06F 58/38 of drying, e.g. to achieve the target humidity
• CPC Class Codes: G05D 22/02 characterised by the use of electric means

Claims

7. A CONTROL SYSTEM FOR A CLOTHES DRYER HAVING MEANS FORMING A DRYING CHAMBER, MEANS FOR CIRCULATING VARIABLE QUANTITIES OF AIR THROUGH SAID CHAMBER INCLUDING AN AIR QUANTITY REGULATING MEANS AND HEATING MEANS ADAPTED FOR VARIABLE HEAT INPUT TO SAID AIR AND COMPRISING, MEANS FOR SELECTIVELY ENERGIZING SAID CIRCULATING MEANS AND SAID HEATING MEANS, MOTOR DRIVEN TIMING MEANS FOR ACTUATING SAID LAST NAMED SELECTIVELY ENERGIZING MEANS THROUGHOUT A DRYING CYCLE OF PREDETERMINED TIME INCLUDING SEQUENTIAL PERIODS OF ONE HEAT INPUT WITH ONE AIR QUANTITY AND ANOTHER HEAT INPUT WITH ANOTHER AIR QUANTITY, HUMIDITY SENSITIVE MEANS RESPONSIVE TO THE HUMIDITY OF AIR LEAVING SAID DRYING CHAMBER, AND SWITCH MEANS RESPONSIVE TO