# US 11,897,354 B2 · Standard provisioning for EV charging center

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- Number: US 11,897,354 B2
- Document ID: US11897354B2
- Status: Granted
- Kind: B2
- Application number: 17/186,947
- Filed: 2021-02-26
- Published: 2022-09-01
- Granted: 2024-02-13
- Earliest claimed: 2021-02-26
- Assignees: Ullman Electric & Technologies Company
- Applicants: Ullman Electric & Technologies Company
- Inventors: Phillip Soroky; Thomas Grabowski; Michael Roach
- Web page: https://patentgrep.com/patent/US11897354B2

## CPC

- B60L 53/31: Charging columns specially adapted for electric vehicles
- H02G 9/10: in cable chambers, e.g. in manhole or in handhole
- B60L 53/305: {Communication interfaces}
- H02G 3/08: Distribution boxes; Connection or junction boxes
- H02G 3/0493: {Service poles}
- Y02T 10/70: Energy storage systems for electromobility, e.g. batteries
- Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
- Y02T 90/12: Electric charging stations
- B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION

## Abstract

Provided in this disclosure is a standardized provisioning for an electrical vehicle charging station. A center pad is configured to be moved and placed on a horizontal surface at a desired location. A central junction box is formed in the center pad for receiving a power conduit stub-up and a communications conduit stub-up. The power and communications conduit stub-ups extend vertically above the horizontal surface. A plurality of outer junction boxes are formed in the center pad, each configured to provide a power connection and a communication connection to a respective plurality of electrical charging dispensers. A plurality of raceways extend through the center pad from the central junction box to each of the respective outer junction boxes to provide passageways for the power and communications connections between the stub-ups and the plurality of electrical charging dispensers.

## Claims

### Claim 1

A standardized provisioning for an electrical vehicle charging station, comprising:
a center pad configured to be moved and placed on a horizontal surface at a desired location;
a central junction box formed in the center pad for receiving a power conduit stub-up and a communications conduit stub-up, wherein the power and communications conduit stub-ups extend vertically above the horizontal surface;
a plurality of outer junction boxes formed in the center pad, each configured to provide a power connection and a communication connection to a respective plurality of electrical charging dispensers; and
a plurality of raceways extending through the center pad from the central junction box to each of the respective outer junction boxes to provide passageways for the power and communications connections between the stub-ups and the plurality of electrical charging dispensers.

### Claim 2 (depends on 1)

The standardized provisioning of claim 1, wherein the center pad is a rectangular pad and includes a top surface, a bottom surface, first and second side surfaces and first and second end surfaces.

### Claim 3 (depends on 2)

The standardized provisioning of claim 2, wherein the central junction box and the plurality of outer junctions are rectangular apertures formed in the center pad extending between the top surface and the bottom surface.

### Claim 4 (depends on 3)

The standardized provisioning of claim 3, wherein the rectangular apertures each include a drainage channel formed on the bottom surface extending between the first and second side surfaces.

### Claim 5 (depends on 2)

The standardized provisioning of claim 2, wherein the center pad further comprises first and second bores extending between the top surface and the bottom surface at respective positions substantially proximate to the first and second end surfaces, wherein the first and second bores each receive a reinforcing bar for stabilizing and securing the center pad to the horizontal surface.

### Claim 6 (depends on 2)

The standardized provisioning of claim 2, wherein the plurality of outer junction boxes comprises four outer junction boxes, each configured to provide a power connection and a communication connection to a respective one of four electrical charging dispensers, wherein a first pair of outer junction boxes is located substantially proximate to the first end surface and a second pair of outer junction boxes is located substantially proximate to the second end surface.

### Claim 7 (depends on 1)

The standardized provisioning of claim 1, wherein the center pad is formed of precast concrete.

### Claim 8 (depends on 7)

The standardized provisioning of claim 7, further comprising a plurality of removable eyelet anchors for moving and placing the precast concrete center pad.

### Claim 9 (depends on 1)

The standardized provisioning of claim 1, wherein the horizontal surface is a vehicle parking lot for electric vehicles.

### Claim 10 (depends on 9)

The standardized provisioning of claim 9, wherein the vehicle parking lot includes an opening through which the power and communications conduit stub-ups extend vertically, wherein the power and communications conduit stub-ups are connected to respective power and communications lines placed underneath the vehicle parking lot.

### Claim 11 (depends on 1)

The standardized provisioning of claim 1, further comprising a plurality of isolating plates each respectively set atop the plurality of outer junction boxes to provide electrical and corrosion isolation between the center pad and the respective plurality of electrical charging dispensers.

### Claim 12 (depends on 1)

The standardized provisioning of claim 1, further comprising a cover plate received atop the central junction box for sealing the central junction box from the elements.

### Claim 13 (depends on 1)

The standardized provisioning of claim 1, wherein the central junction box further comprises a divider plate for dividing the power conduit stub-up and associated power connections from the communications conduit stub-up and associated communications connections.

### Claim 14

A method of standardized provisioning for an electrical vehicle charging station, comprising:
providing a center pad having a central junction box and a plurality of outer junction boxes formed therein and a plurality of raceways extending through the center pad from the central junction box to each of the respective outer junction boxes;
placing the center pad on a horizontal surface at a desired location such that the central junction box is positioned atop power and communications conduit stub-ups that extend vertically above the horizontal surface;
establishing a plurality of power and communications connections through the plurality of raceways from the power and communications conduit stub-ups in the central junction box to a plurality of electrical charging dispensers mounted atop each of the respective plurality of outer junction boxes.

### Claim 15 (depends on 14)

The method of claim 14, further comprising inserting first and second reinforcing bars into respective first and second bores at first and second ends of the center pad for stabilizing and securing the center pad to the horizontal surface.

### Claim 16 (depends on 14)

The method of claim 14, wherein the center pad is formed of precast concrete and wherein the placing comprises moving and lowering the center pad into place with a plurality of removable eyelet anchors retained in the center pad.

### Claim 17 (depends on 14)

The method of claim 14, wherein the horizontal surface includes a vehicle parking lot for electric vehicles, and further comprising, prior to placing the center pad, laying power and communications lines and configuring the power and communications stub-ups to extend vertically, further comprising forming the vehicle parking lot atop the power and communications lines and configuring an opening in the vehicle parking lot through which the power and communications stub-ups extend vertically.

### Claim 18 (depends on 14)

The method of claim 14, further comprising setting a plurality of isolating plates respectively atop the plurality of outer junction boxes to provide electrical and corrosion isolation between the center pad and the respective plurality of electrical charging dispensers.

### Claim 19 (depends on 14)

The method of claim 14, further comprising receiving a cover plate atop the central junction box for sealing the central junction box from the elements, and providing a divider plate in the central junction box for dividing the power conduit stub-up and associated power connections from the communications conduit stub-up and associated communications connections.

### Claim 20

A standardized provisioning for an electrical vehicle charging station, comprising:
a precast concrete center pad configured to be moved and placed at a desired location in a vehicle parking lot for electric vehicles, wherein the center pad is a rectangular pad and includes a top surface, a bottom surface, first and second side surfaces and first and second end surfaces;
a power conduit stub-up and a communications conduit stub-up that extend vertically through an opening in the vehicle parking lot, wherein the power and communications conduit stub-ups are located at the desired location and are connected to lines placed underneath the vehicle parking lot;
a central junction box formed as a rectangular aperture in the center pad extending between the top surface and the bottom surface, for receiving the power and communications conduit stub-ups through the opening in the vehicle parking lot, wherein the central junction box includes a divider plate for dividing the power conduit stub-up and associated power connections from the communications conduit stub-up and associated communications connections, wherein a cover plate is received atop the central junction box for sealing the central junction box from the elements;
a plurality of outer junction boxes including a first set of rectangular apertures formed in the center pad and located substantially proximate to the first end surface and also including a second set of rectangular apertures formed in the center pad and located substantially proximate to the second end surface, wherein each of the outer junction boxes is configured to provide a power connection and a communication connection to a respective electrical charging dispenser;
a plurality of raceways extending through the center pad from the central junction box to each of the respective outer junction boxes to provide passageways for the power and communications connections between the stub-ups and the plurality of electrical charging dispensers; and
a plurality of isolating plates each respectively set atop one of the outer junction boxes to provide electrical and corrosion isolation between the center pad and the respective electrical charging dispensers.