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US3672391A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic chemical feeder apparatus

Assignee: Individual
•
Filing: 1970-01-02
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Granted: 1972-06-27
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Expires: 1990-01-02
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Abstract

Abstract This invention is a chemical feeder apparatus operable to automatically discharge a chemical mixture into a plurality of sewer trap assemblies in order to remove any impurity such as grease build up. More particularly, this invention is a chemical feeder apparatus operable to receive an inlet fluid and mix the same thoroughly with a chemical solution through a concentrate valve structure for discharge therefrom through a plurality of outlet control valves for cleansing purposes and including a timing mechanism for pre-selected periodic actuation thereof.

Inventors

  • 👤 Richard W Livingston
  • 👤 George L Michaels

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:06
CPC Classifications
E; E03; E03F; E03F9/00; B; B01; B01F; B01F35/00; B01F35/75; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86421

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 197 words
A chemical feeder apparatus connectable to an electrical supply and a fluid supply operable to automatically dispense a fluid mixture into one or more remote areas, comprising: a. a fluid supply assembly connected to said fluid supply, b. a control means having a fluid inlet assembly connected to said fluid supply assembly to receive fluid therefrom; a concentrate fluid inlet assembly connected to said fluid inlet assembly; a mixture discharge assembly connected to said concentrate fluid inlet assembly to discharge said fluid mixture to the remote areas: and an actuator assembly connected to said fluid inlet assembly to selectively permit and prevent flow of said fluid supply through said control means, c. said fluid supply assembly having means for regulating the fluid volume and pressure to said concentrate fluid inlet assembly to mix concentrate with said fluid supply under fluid pressure differential, and d. said remote areas each having a sewer trap assembly connected to said mixture discharge assembly to receive said fluid mixture downstream of the source of sewer materials, and each of said sewer trap assemblies operable to convey sewer materials therethrough in a conventional manner regardless of the status of said chemical feeder apparatus.
Claim 2
Dependent Claim 197 words
A chemical feeder apparatus connectable to an electrical supply and a fluid supply operable to automatically dispense a fluid mixture into one or more remote areas, comprising: a. a fluid supply assembly connected to said fluid supply, b. a control means having a fluid inlet assembly connected to said fluid supply assembly to receive fluid therefrom; a concentrate fluid inlet assembly connected to said fluid inlet assembly; a mixture discharge assembly connected to said concentrate fluid inlet assembly to discharge said fluid mixture to the remote areas: and an actuator assembly connected to said fluid inlet assembly to selectively permit and prevent flow of said fluid supply through said control means, c. said fluid supply assembly having means for regulating the fluid volume and pressure to said concentrate fluid inlet assembly to mix concentrate with said fluid supply under fluid pressure differential, and d. said remote areas each having a sewer trap assembly connected to said mixture discharge assembly to receive said fluid mixture downstream of the source of sewer materials, and each of said sewer trap assemblies operable to convey sewer materials therethrough in a conventional manner regardless of the status of said chemical feeder apparatus.
Claim 3
Dependent Claim 145 words
A chemical feeder apparatus as described in claim 1, wherein: a. said regulating means including, successively connected to said fluid supply, a check valve to regulate direction of fluid flow; and a pressure regulating valve to control pressure of fluid flow thereby assuring said fluid supply into said control means of a predetermined constant volume and pressure, b. said fluid inlet assembly having a solenoid valve member mounted in a pipe member connected to said fluid supply movable between opened and closed conditions, c. said solenoid valve member connected to a timer mechanism of said actuator assembly to open and close same at predetermined intervals, and d. said actuator assembly including a time delay relay tube mounted between said timer mechanism and said solenoid valve member operable when energized by said timer mechanism to hold said solenoid valve member open for a predetermined time period.
Claim 4
Dependent Claim 272 words
A chemical feeder apparatus as described in claim 1, wherein: a. said regulating means including, successively connected to said fluid supply, a check valve member to assure flow in only one direction; a gate valve to regulate volume of flow; and a pressure regulating valve to control pressure of fluid flow thereby assuring said fluid supply into said control means of a predetermined steady volume and pressure, b. said concentrate fluid inlet assembly including a venturi member mounted between said fluid supply and said mixture discharge assembly and having a portion thereof connected through a hose member to a concentrate drum whereby said venturi member operates to create a suction in said hose member to pull concentrate into said fluid supply, c. said fluid inlet assembly having a solenoid valve member mounted in a pipe member connected to said fluid supply assembly movable between opened and closed conditions, d. said solenoid valve member connected to a timer mechanism of said actuator assembly to open and close same at predetermined intervals, and e. said actuator assembly including a time delay relay tube mounted between said timer mechanism and said solenoid valve member operable when energized by said timer mechanism to hold said solenoid valve member open for a predetermined time period, f. said mixture discharge assembly having a plurality of adjustable valve members each connected on an inlet side to the output of said concentrate fluid inlet assembly and on an outlet side to a tube member, respectively, and g. said valve members adjusted relative to the distance of said remote areas therefrom to assure an equal amount of fluid mixture conveyed thereto.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-06-27 1975-12-27 1976-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-27 1979-12-27 1980-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-27 1983-12-27 1984-06-27 $7700.00 Window Closed / Lapsed

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