TWO-STAGE HEAT EXCHANGER WITH INTERSTAGE BYPASS
First Claim
Patent Images
1. A fluid cooler comprising:
- a first stage fluid cooler and a downstream second stage fluid cooler, and a flow line connecting said first and second stage fluid coolers; and
a valve for sensing a condition of the fluid in said flow line, and to bypass said second stage fluid cooler if it is determined that additional cooling is not necessary.
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Accused Products
Abstract
A fluid cooler comprises a first stage fluid cooler and a downstream second stage fluid cooler. A flow line connects the first and second stages. A valve senses a condition of the fluid in the flow line, and to bypass the second stage fluid cooler if it is determined that additional cooling is not necessary. An air compressor incorporating the cooler is also claimed as is a method of operating a fluid cooler.
29 Citations
15 Claims
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1. A fluid cooler comprising:
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a first stage fluid cooler and a downstream second stage fluid cooler, and a flow line connecting said first and second stage fluid coolers; and a valve for sensing a condition of the fluid in said flow line, and to bypass said second stage fluid cooler if it is determined that additional cooling is not necessary. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A compressor comprising:
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a compressor having an oil inlet; and an oil supply line leading to a fluid cooler from said compressor, and a fluid return line leading from said fluid cooler and back to said compressor, said fluid cooler comprising a first stage fluid cooler and a downstream second stage fluid cooler, and a flow line connecting said first and second stage fluid coolers, a valve for sensing a condition of the fluid in said flow line, and to bypass said second stage fluid cooler if it is determined that additional cooling is not necessary. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification