# US 10,871,807 B2 · Power distribution system with thermal cutoff for dielectric cooling systems

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- Number: US 10,871,807 B2
- Document ID: US10871807B2
- Status: Granted
- Kind: B2
- Application number: 16/042,532
- Filed: 2018-07-23
- Published: 2019-01-24
- Granted: 2020-12-22
- Earliest claimed: 2017-07-24
- Assignees: Green Revolution Cooling, Inc.
- Applicants: Green Revolution Cooling, Inc.
- Inventors: Christiaan Best; Alex McManis; Ronald F. Slezak
- Web page: https://patentgrep.com/patent/US10871807B2

## CPC

- G06F 1/20: Cooling means
- H05K 7/1492: {having electrical distribution arrangements, e.g. power supply or data communications}
- H05K 7/20: Modifications to facilitate cooling, ventilating, or heating
- H05K 7/20236: {by immersion}
- G06F 2200/201: Cooling arrangements using cooling fluid
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS

## Abstract

A power distribution unit for a dielectric cooling system comprising a thermal cutoff or a float switch.

## Claims

### Claim 1

A power distribution unit for controlling a dielectric cooling system having a tank that contains a dielectric coolant and electronic devices therein, the power distribution unit comprising:
a thermal cutoff configured to cutoff power to the electronic devices located in the tank in response to detecting that a temperature of the dielectric fluid exceeds a threshold value; and
an outlet configured to supply power to the electronic devices, wherein the outlet is wired to the thermal cutoff with at least 3 hot wires and a ground wire.

### Claim 2 (depends on 1)

The power distribution unit of claim 1, wherein the power distribution unit has an input voltage of 415 VAC and 240 VAC between each hot wire and the ground wire.

### Claim 3 (depends on 1)

The power distribution unit of claim 1, wherein the power distribution unit has an input current greater than or equal to 80 amps.

### Claim 4 (depends on 3)

The power distribution unit of claim 3, wherein the power distribution unit has an input current greater than or equal to 100 amps.

### Claim 5 (depends on 1)

The power distribution unit of claim 1, wherein the power distribution unit has an input current between 80 and 100 amps.

### Claim 6 (depends on 1)

The power distribution unit of claim 1, further comprising a main power shutoff configured to cutoff power to the electronic devices.

### Claim 7 (depends on 6)

The power distribution unit of claim 6, wherein the main power shutoff comprises an insulated-gate bipolar transistor (IGBT).

### Claim 8 (depends on 1)

The power distribution unit of claim 1, wherein the thermal cutoff comprises a digital on/off.

### Claim 9

A dielectric cooling system comprising:
a tank configured to contain dielectric cooling fluid therein;
a temperature sensor for detecting a temperature of the dielectric cooling fluid; and
a power distribution unit having a thermal cutoff and an outlet, wherein the thermal cutoff is configured to cutoff power to electronic devices located in the tank in response to the temperature sensor detecting that the temperature of the dielectric cooling fluid exceeds a threshold value, wherein the outlet is configured to supply power to the electronic devices and the outlet is wired to the thermal cutoff with at least 3 hot wires and a ground wire.

### Claim 10 (depends on 6)

The power distribution unit of claim 6, wherein the main power shutoff comprises a solid state relay.

### Claim 11 (depends on 6)

The power distribution unit of claim 6, wherein the main power shutoff comprises a mechanic relay.

### Claim 12 (depends on 6)

The power distribution unit of claim 6, wherein the main power shutoff comprises a smart breaker.

### Claim 13 (depends on 1)

The power distribution unit of claim 1, wherein the thermal cutoff comprises a thermal fuse.

### Claim 14

A power distribution unit for controlling a dielectric cooling system having a tank that contains a dielectric coolant and electronic devices therein, the power distribution unit comprising:
a float switch configured to cutoff power to the electronic devices located in the tank in response to detecting that the dielectric fluid is below a threshold level; and
an outlet configured to supply power to the electronic devices, wherein the outlet is wired to the float switch with at least 3 hot wires and a ground wire.

### Claim 15 (depends on 9)

The dielectric cooling system of claim 9, wherein the power distribution unit has an input voltage of 415 VAC and 240 VAC between each hot wire and the ground wire.

### Claim 16 (depends on 9)

The power distribution unit of claim 9, further comprising a main power shutoff configured to cutoff power to the electronic devices.

### Claim 17 (depends on 16)

The power distribution unit of claim 16, wherein the main power shutoff comprises a solid state relay.

### Claim 18 (depends on 16)

The power distribution unit of claim 16, wherein the main power shutoff comprises a mechanic relay.