Scrubber and muffler for exhaust gas from gas-powered valve actuators
First Claim
1. A device for treating a gaseous discharge from an apparatus, the gaseous discharge including gas and liquid entrained therein, the device comprisinga hollow body having an inlet for receiving the gaseous discharge from the apparatus and an outlet from which treated gas exits the body,liquid separation means within the hollow body through which the gaseous discharge flows for separating the liquid entrained in the gaseous discharge from the gas,liquid collection means within the hollow body for collecting separated liquid, the liquid collection means including a plurality of liquid collection sumps, one disposed above the other, each communicating with adjacent sumps, separated liquid following into a bottom-most sump,valve means between sumps for controlling liquid flow therebetween, andthe liquid collection means having a liquid outlet from which separated liquid is discharged from the hollow body.
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Accused Products
Abstract
Methods and apparatuses for cleaning and/or muffling a gas discharge which in one aspect includes a hollow body with a filter element mounted therein through which the discharge gas flows and in which liquids entrained in the gas are filtered out, the body having one or more liquid collection areas from which liquid can be removed from the apparatus for disposal or for re-use. The apparatus also can serve as a noise muffler to reduce the noise level of the gas discharge.
21 Citations
13 Claims
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1. A device for treating a gaseous discharge from an apparatus, the gaseous discharge including gas and liquid entrained therein, the device comprising
a hollow body having an inlet for receiving the gaseous discharge from the apparatus and an outlet from which treated gas exits the body, liquid separation means within the hollow body through which the gaseous discharge flows for separating the liquid entrained in the gaseous discharge from the gas, liquid collection means within the hollow body for collecting separated liquid, the liquid collection means including a plurality of liquid collection sumps, one disposed above the other, each communicating with adjacent sumps, separated liquid following into a bottom-most sump, valve means between sumps for controlling liquid flow therebetween, and the liquid collection means having a liquid outlet from which separated liquid is discharged from the hollow body.
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11. A device for treating a gaseous discharge from a gas-powered actuator for a valve and for muffling noise of such a discharge, the actuator having a lubricator for lubricating the actuator, the gaseous discharge including gas and liquid entrained therein, the device comprising
a hollow body having an inlet for receiving the gaseous discharge from the apparatus and an outlet from which treated gas exits from the body, liquid separation means within the hollow body through which the gaseous discharge flows for separating the liquid entrained in the gaseous discharge from the gas, the separated liquid containing lubricating oil from the actuator, liquid collection means within the hollow body for collecting separated liquid, the liquid collection means including a plurality of liquid collection sumps, one disposed above the other, each communicating with adjacent sumps, separated liquid flowing into a bottom-most sump, valve means between sumps for controlling liquid flow therebetween, the liquid collection means having a liquid outlet from which separated liquid is discharged from the hollow body, the liquid outlet in fluid communication with the bottom-most sump, and odorant removal means within the hollow body for removing odorizing material in the gaseous discharge.
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12. A gas-powered actuator for actuating a valve interconnected thereto, the valve for controlling the flow of a gas therethrough, the actuator comprising,
actuator mechanism for actuating the valve, the actuator mechanism powered by the gas, an exhaust line from the actuator for exhausting the gas that powers the actuator as well as any material entrained in the gas, and p1 a device for treating the gas, the device comprising, a hollow body having an inlet for receiving the gas from the exhaust line and an outlet from which treated gas exits from the body, liquid separation means within the hollow body through which the gas flows for separating liquid entrained in the gas from the gas, liquid collection means within the hollow body for collecting separated liquid, the liquid collection means having a liquid outlet from which separated liquid is discharged from the hollow body, the liquid collection means including a plurality of liquid collection sumps, one disposed above the other, each communicating with adjacent sumps, separated liquid flowing into a bottom-most sump, and valve means between sumps for controlling liquid flow therebetween.
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13. A gas-powered actuator for actuating a valve interconnected thereto, the actuator having a lubricator for lubricating the actuator with oil, the valve for controlling the flow of a gas therethrough, the actuator comprising,
actuator mechanism for actuating the valve, the actuator mechanism powered by the gas, an exhaust line from the actuator for exhausting the gas that powers the actuator as well as any materials entrained in the gas, and a device for treating the gas, the device comprising, a hollow body having an inlet for receiving the gas from the exhaust line and an outlet from which treated gas exits from the body, liquid separation means within the hollow body through which the gas flows for separating liquid entrained in the gas from the gas, the separated liquid including lubricating oil from the actuator, liquid collection means within the hollow body for collecting separated liquid, the liquid collection means having a liquid outlet from which separated liquid is discharged from the hollow body, liquid collection means including a plurality of liquid collection sumps, one disposed above the other, each communicating with adjacent sumps, separated liquid flowing into a bottom-most sump, valve means between sumps for controlling liquid flow therebetween, and means for feeding the separated liquid back to the lubricator for re-use thereby in lubricating the actuator.
Specification