Throttle valve for coolant circulation system

Inventors: Brian Zilbauer (Buffalo, NY); Thao Lai (Buffalo, NY)

Assignee: Ingersoll-Rand Industrial, U.S., Inc.

F04D29/5833 F04B25/00 F04B39/06 F04B41/06 F04D15/0005 F04D17/12 F04D25/06 F04D25/16 F04D27/0207 F04D27/0215 F04D27/0269 F04D29/5826 F25B1/10

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Quick Facts

Patent No.: US 12710056
App. No.: 18/214,143
Granted: Aug 18, 2026
Kind: B2

External Links

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Abstract

A fluid compressor system configured to supply a compressed working fluid including at least a first air-end and a second air-end, a first and second intercooler, and a coolant circulation system having at least one throttle valve. The first and second intercoolers are configured to cool the compressed working fluid delivered by the first and second air-ends of the fluid compressor system, respectively. The coolant circulation system includes a coolant supplying header and a coolant collecting header, where the coolant supplying header supplies a coolant to the first intercooler and the second intercooler, and the coolant collecting header collects the coolant from the first intercooler and the second intercooler. The at least one throttle valve regulates a coolant flow discharged by one of the first intercooler or the second intercooler prior to entering the coolant collecting header.

Claims (39)

1 . A fluid compressor system configured to supply a compressed working fluid comprising:

a first air-end configured to compress the working fluid;

a second air-end configured to further compress the working fluid discharged by the first air-end;

a third air-end configured to further compress the working fluid discharged by the second air-end;

a first intercooler located between the first air-end and the second air-end and having a first coolant inlet and a first coolant outlet, the first intercooler configured to cool the working fluid discharged by the first air-end before entering the second air-end;

a second intercooler located downstream from the second air-end and having a second coolant inlet and a second coolant outlet, the second intercooler configured to cool the working fluid discharged by the second air-end;

an aftercooler configured to cool the working fluid discharged by the third air-end; and

a coolant circulation system having a coolant supplying header and a coolant collecting header, the coolant supplying header configured to supply the coolant to the first intercooler, the second intercooler, and the aftercooler, and the coolant collecting header configured to collect the coolant from the first intercooler, the second intercooler, and the aftercooler;

wherein the first intercooler, the second intercooler, and the aftercooler connected in parallel with each other, and

wherein the coolant circulation system includes a first throttle valve between the first coolant outlet and the coolant collecting header, the first throttle valve configured to regulate a coolant flow discharged by the first intercooler.

2 . The fluid compressor system of claim 1 , wherein the coolant circulation system includes a second throttle valve between the second coolant outlet and the coolant collecting header, the second throttle valve configured to regulate a coolant flow discharged by the second intercooler.

3 . The fluid compressor system of claim 2 , wherein a third coolant inlet is in fluid communication with the coolant supplying header, and a third coolant outlet is in fluid communication with the coolant collecting header.

4 . The fluid compressor system of claim 1 , wherein the first throttle valve of the first intercooler is at least partially closed to increase the rate of coolant fluid flow flowing to at least one of the second intercooler or the aftercooler when the discharged temperature of the at least one of the second intercooler or the aftercooler exceeds a desired temperature range.

5 . The fluid compressor system of claim 2 , wherein the second throttle valve of the second intercooler is at least partially closed to increase the rate of coolant fluid flow flowing to the aftercooler when the discharged temperature of the aftercooler exceeds a desired temperature range.

6 . The fluid compressor system of claim 2 , further comprising an oil cooler configured to supply oil to the first air-end and the second air-end, the oil cooler connected to the coolant circulation system and having a fourth coolant inlet in fluid communication with the coolant supplying header, a fourth coolant outlet in fluid communication with the coolant collecting header, and a fourth throttle valve connected between the third coolant outlet and the coolant collecting header, the fourth throttle valve configured to modulate a coolant flow discharged by the oil cooler.

7 . The fluid compressor system of claim 2 , wherein the first throttle valve and the second throttle valve are globe valves.

8 . A fluid compressor system configured to supply a compressed working fluid comprising:

a first air-end configured to compress the working fluid;

a second air-end configured to further compress the working fluid discharged by the first air-end;

a third air-end configured to further compress the working fluid discharged by the second air-end;

an aftercooler configured to cool the working fluid discharged by the third air-end; and

wherein the coolant circulation system includes a first throttle valve between the first coolant outlet and the coolant collecting header and a second throttle valve between the second coolant outlet and the coolant collecting header, the first throttle valve and the second throttle valve configured to respectively regulate a coolant flow discharged by the first intercooler and the second intercooler.

9 . The fluid compressor system of claim 8 , wherein first intercooler, the second intercooler, and the aftercooler are connected in parallel through the coolant supplying header and the coolant collecting header.

10 . The fluid compressor system of claim 8 , wherein the first throttle valve of the first intercooler is at least partially closed to increase the rate of coolant fluid flow flowing to at least one of the second intercooler or the aftercooler when the discharged temperature of the at least one of the second intercooler or the aftercooler exceeds a desired temperature range.

11 . The fluid compressor system of claim 8 , wherein the second throttle valve of the second intercooler is at least partially closed to increase the rate of coolant fluid flow flowing to the aftercooler when the discharged temperature of the aftercooler exceeds a desired temperature range.

12 . The fluid compressor system of claim 8 , wherein the first throttle valve and the second throttle valve are globe valves.

13 . A coolant circulation system for supplying a coolant flow comprising:

a coolant supplying header configured to supply the coolant flow to a first cooling element, a second cooling element, and a third cooling element;

a coolant collecting header configured to collect the coolant flow from the first cooling element, the second cooling element, and the third cooling element;

a first throttle valve coupled between the first cooling element and the coolant collecting header; and

a second throttle valve coupled between the second cooling element and the coolant collecting header,

wherein the first throttle valve and the second throttle valve are configured to respectively regulate a coolant flow discharged by the first cooling element and the second cooling element; and where the first cooling element, the second cooling element, and the third cooling element are connected in parallel through the coolant supplying header and the coolant collecting header.

14 . The coolant circulation system of claim 13 , wherein the first throttle valve of the first cooling element is at least partially closed to increase the rate of coolant fluid flow flowing to at least one of the second cooling element or the third cooling element when the discharged temperature of the at least one of the second cooling element or the third cooling element exceeds a desired temperature range.

15 . The coolant circulation system of claim 14 , wherein the second throttle valve of the second cooling element is at least partially closed to increase the rate of coolant fluid flow flowing to the third cooling element when the discharged temperature of the third cooling element exceeds a desired temperature range.

16 . The coolant circulation system of claim 15 , wherein at least one of the first throttle valve or the second throttle valve is fully closed to increase the rate of coolant fluid flow flowing to the third cooling element when the discharged temperature of the third cooling element exceeds a desired temperature range.

17 . The coolant circulation system of claim 13 , wherein the first throttle valve and the second throttle valve are globe valves.