FLUID HANDLING SYSTEMS INCLUDING A COMPRESSOR

1 . A system comprising:

a pressure exchanger (PX) configured to receive a first fluid via a first PX inlet of the PX, receive a second fluid via a second PX inlet of the PX, and exchange pressure between the first fluid and the second fluid;

a compressor comprising:

a first portion configured to house a motor; and

a second portion configured to be fluidly coupled to the PX, wherein the second portion is configured to be fluidly isolated from the first portion, wherein the second portion forms a first compressor inlet and a first compressor outlet, and wherein the compressor is configured to:

receive the first fluid at a first pressure into the second portion via the first compressor inlet;

increase pressure of the first fluid from the first pressure to a second pressure; and

provide the first fluid at the second pressure via the first compressor outlet.

2 . The system of claim 1 , wherein the compressor is configured to receive the first fluid at the first pressure output from the PX via a high pressure outlet of the PX.

3 . The system of claim 1 , wherein the compressor is configured to output the first fluid at the second pressure to the PX via a low pressure inlet of the PX.

4 . The system of claim 1 , wherein:

the first portion comprises a motor housing and a crankcase;

the motor housing is configured to receive a third fluid;

the crankcase is fluidly coupled to the motor housing; and

the crankcase is configured to receive the third fluid from the motor housing and output the third fluid.

5 . The system of claim 4 , wherein the motor housing is configured to receive the third fluid at a third pressure that is lower than the first pressure to cool a motor of the compressor.

6 . The system of claim 4 , wherein the first fluid, the second fluid, and the third fluid comprise carbon dioxide (CO 2 ).

7 . The system of claim 4 , wherein the compressor further comprises:

a crankshaft disposed within the crankcase;

a piston housing coupled to the crankcase; and

a piston disposed within the piston housing, wherein the piston is coupled to the crankshaft via a connecting rod, and wherein the piston is configured to move along a longitudinal axis of an inner volume of the piston housing responsive to a rotation of the crankshaft by the motor.

8 . The system of claim 7 , wherein the compressor further comprises:

a head coupled to a top of the piston housing, the head forming the first compressor inlet and the first compressor outlet, wherein the piston is configured to compress the first fluid within the inner volume of the piston housing responsive to the rotation of the crankshaft.

9 . The system of claim 8 , wherein the head forms:

a suction interior volume configured to receive the first fluid at the first pressure via the first compressor inlet; and

a discharge interior volume configured to provide the first fluid at the second pressure via the first compressor outlet.

10 . The system of claim 9 , wherein the second portion of the compressor further comprises a valve plate assembly disposed between the head and the piston housing, wherein the valve plate assembly comprises:

a first valve configured to regulate a first flow of the first fluid from the suction interior volume of the head into the piston housing; and

a second valve configured to regulate a second flow of the first fluid from the piston housing to the discharge interior volume of the head.

11 . The system of claim 1 , wherein the first pressure is greater than approximately 800pounds per square inch (PSI) and wherein a difference between the first pressure and the second pressure is between approximately 50 PSI and approximately 60 PSI.

12 . A reciprocating compressor comprising:

a first portion comprising a motor housing configured to house a motor and a crankcase configured to house a crankshaft, wherein the motor housing is configured to receive a first fluid, wherein the crankcase is fluidly coupled to the motor housing, and wherein the crankcase is configured to receive the first fluid from the motor housing and output the first fluid; and

a second portion fluidly isolated from the first portion, wherein the second portion forms a compressor inlet and a compressor outlet, and wherein the reciprocating compressor is configured to:

receive a second fluid at a first pressure into the second portion via the

compressor inlet;

increase pressure of the second fluid from the first pressure to a second

pressure; and

provide the second fluid at the second pressure via the compressor outlet.

13 . The reciprocating compressor of claim 12 , wherein the motor housing is configured to receive the first fluid at a third pressure that is lower than the first pressure to cool a motor of the reciprocating compressor, wherein the first pressure is greater than approximately 800pounds per square inch (PSI), and wherein a difference between the first pressure and the second pressure is between approximately 50 PSI and approximately 60 PSI.

14 . The reciprocating compressor of claim 12 , further comprising:

a crankshaft disposed within the crankcase;

a piston housing to the crankcase;

a piston disposed within the piston housing, wherein the piston is coupled to the crankshaft via a connecting rod, and wherein the piston is configured to move along a longitudinal axis of an inner volume of the piston housing responsive to a rotation of the crankshaft by the motor; and

a head coupled to a top of the piston housing, the head forming the compressor inlet and the compressor outlet, wherein the piston is configured to compress the second fluid within the inner volume of the piston housing responsive to the rotation of the crankshaft.

15 . The reciprocating compressor of claim 14 , wherein the head forms:

a suction interior volume configured to receive the second fluid at the first pressure via the compressor inlet; and

a discharge interior volume configured to provide the second fluid at the second pressure via the compressor outlet.

16 . The reciprocating compressor of claim 15 , further comprising a valve plate disposed between the head and the piston housing, wherein the valve plate comprises:

a first valve configured to regulate a first flow of the second fluid from the suction interior volume of the head into the piston housing; and

a second valve configured to regulate a second flow of the second fluid from the piston housing to the discharge interior volume of the head.

17 . A method comprising:

receiving a first fluid at a first pressure at a first inlet of a first portion of a compressor;

increasing pressure of the first fluid from the first pressure to a second pressure via the compressor;

outputting the first fluid at the second pressure via a first outlet of the first portion of the compressor;

receiving a second fluid at a second inlet of a second portion of the compressor, wherein the first portion is configured to be fluidly isolated from the first portion; and

outputting the second fluid via a second outlet of the second portion of the compressor.

18 . The method of claim 17 , wherein the second portion of the compressor comprises a motor housing and a crankcase, wherein the motor housing is configured to receive the second fluid, wherein the crankcase is fluidly coupled to the motor housing, and wherein the crankcase is configured to receive the second fluid from the motor housing and output the second fluid.

19 . The method of claim 17 , wherein the first portion of the compressor comprises:

a piston disposed within a piston housing, wherein the piston is coupled to a crankshaft via a connecting rod, and wherein the piston is configured to move along a longitudinal axis of an inner volume of the piston housing responsive to a rotation of the crankshaft, wherein the piston is configured to compress the first fluid within the inner volume of the piston housing responsive to the rotation of the crankshaft.

20 . The method of claim 17 , wherein the first pressure is greater than approximately 800pounds per square inch (PSI), and wherein a difference between the first pressure and the second pressure is between approximately 50 PSI and approximately 60 PSI.