Anti-surge system for gases and other media

• US 4,294,113 A
• Filed: 02/04/1980
• Issued: 10/13/1981
• Est. Priority Date: 02/04/1980
• Status: Expired due to Term

• Current Assignee: Bay State Sterling Inc.
• Original Assignee: Dresser Industries Incorporated (Halliburton Company)
• Inventors: Herterick, George M., Sprott, Kenneth J.
• Primary Examiner(s): Ruehl, Charles A.
• Application Number:
  US06/118,263
• Time in Patent Office: 617 Days
• Field of Search: 73/199, 73/203, 73/707, 138/40, 138/26, 137/110
• US Class Current: 73/199
• CPC Class Codes: G01F 15/10 Preventing damage by freezing or excess pressure or insufficient pressure
• CPC Class Codes: Y10T 137/2562 Dividing and recombining

Abstract

A device and method for preventing high pressure surges in fluidic material delivery systems to instruments such as a flowmeter, by the use of restrictors and a pilot operated valve to initially restrict the flow of the fluidic material before allowing total delivery thereof to prevent damage to such meters and other type members.

Claims

1. A device for preventing high pressure surges in fluidic material delivery systems to metering and measuring instruments comprising means for flowing the fluidic material to a normally closed pilot operated valve, means for diverting flow therefrom through a restrictor directly to said instruments, means for diverting flow therefrom through a restrictor to the pilot of the pilot valve to produce a time delay in total delivery of the fluidic material to the instruments.

2. The device of claim 1, in which the fluidic material flows to the pilot valve through a solenoid valve.

3. The device of claim 1, in which the metering and measuring instrument include a flowmeter.

4. The device of claim 1, in which all of said means are part of a unitary structure.

5. A method for preventing high pressure surges in fluidic material delivery systems to metering and measuring instruments comprising flowing the fluidic material to a normally closed pilot operated valve, diverting flow therefrom through a restrictor directly to said instruments, further diverting flow therefrom through a restrictor to the pilot of the pilot valve to produce a time delay in total delivery of the fluidic material to the instruments.

6. The method of claim 5, in which the metering and measuring instruments include a flowmeter.

7. The device of claim 5, in which all of said flow to the metering and measuring instruments takes place through a unitary structure.