IP Library Granted Patent US 11,920,831
Granted Patent B2
US 11,920,831 · App. 16/366,750 · Granted Mar 5, 2024

Heating unit with a partition

Inventors: Anthony J. Reardon (Moore, OK); Praveen M. Gotakhindi (Pune, IN); Sriram Ramanujam (Pune, IN); Karan Garg (Pune, IN); Sumedh J. Suryawanshi (Pune, IN); Jim George (Pune, IN)
Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
F24H9/2071F24D19/1087F24H3/0411F24H9/0057F24H15/204F24H15/242F24H15/254F24H15/33F24H15/345F24H15/37F24H15/375F24H15/414
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Quick Facts
Patent No.
US 11,920,831
App. No.
16/366,750
Granted
Mar 5, 2024
Kind
B2
Abstract

A heating unit for a heating, ventilation and/or air conditioning (HVAC) system may have a first airflow path through the heating unit, a second airflow path through the heating unit, and a heater assembly having a first heating coil positioned within the first airflow path, a second heating coil positioned within the second airflow path, and a coil divider separating the first heating coil and the second heating coil.

Claims (40)

1. A heating unit for a heating, ventilation and/or air conditioning (HVAC) system, comprising:

a first airflow path through the heating unit;

a second airflow path through the heating unit;

a heater assembly including a first heating coil positioned within the first airflow path, a second heating coil positioned within the second airflow path, and a coil divider extending along a length of the heating unit from the first heating coil to the second heating coil by a distance to separate the first heating coil and the second heating coil such that the first heating coil and the second heating coil are separated from one another along the length of the heating unit by the distance, wherein the first heating coil, the second heating coil, and the coil divider are aligned with one another along the length of the heating unit;

a partition abutting the coil divider and separating the first airflow path and the second airflow path within the heating unit upstream of the heater assembly; and

an outlet configured to discharge a comingled airflow comprising a first airflow directed along the first airflow path across the first heating coil and a second airflow directed along the second airflow path across the second heating coil from the heating unit.

2. The heating unit of claim 1 , wherein the heater assembly is positioned within the heating unit at an oblique angle relative to a first direction of the first airflow through the first airflow path and a second direction of the second airflow through the second airflow path.

3. The heating unit of claim 1 , wherein the partition has a substantially triangular profile.

4. The heating unit of claim 1 , comprising a support rail, wherein the partition is configured to be fastened to the support rail, and wherein the partition has a gasket configured to abut the coil divider.

5. The heating unit of claim 1 , wherein the outlet is formed in a base of the heating unit and is configured to output the comingled airflow in a direction crosswise to the length of the heating unit.

6. The heating unit of claim 1 , wherein the outlet is formed in a lateral side of the heating unit and is configured to output the comingled airflow in a direction along the length of the heating unit.

7. The heating unit of claim 1 , comprising a side panel configured to abut the second heating coil at a peripheral edge of the heater assembly, wherein the side panel is configured to direct the second airflow along the second airflow path and prevent bypass of the second airflow around the heater assembly.

8. The heating unit of claim 1 , wherein the distance extends in a first direction crosswise to a second direction of the first airflow and the second airflow across the first heating coil and the second heating coil, respectively.

9. The heating unit of claim 1 , wherein the coil divider comprises a first surface angled toward the first heating coil and a second surface angled toward the second heating coil.

10. A heating unit for a heating, ventilation and/or air conditioning (HVAC) system, comprising:

a first blower configured to direct a first airflow along a first airflow path through the heating unit;

a second blower configured to direct a second airflow along a second airflow path through the heating unit;

a heater assembly including a first heating coil positioned within the first airflow path, a second heating coil positioned within the second airflow path, and a coil divider extending for a distance from the first heating coil to the second heating coil to separate the first heating coil from the second heating coil such that the first heating coil and the second heating coil are separated from one another along a length of the heating unit by the distance, wherein the first heating coil, the second heating coil, and the coil divider are aligned with one another along the length of the heating unit;

a partition abutting the coil divider and separating the first airflow path and the second airflow path within the heating unit upstream of the heater assembly; and

an outlet configured to discharge a comingled airflow comprising the first airflow directed across the first heating coil and the second airflow directed across the second heating coil from the heating unit.

11. The heating unit of claim 10 , wherein the heater assembly is configured to be positioned within the heating unit at an oblique angle relative to a first direction of the first airflow through the first airflow path and a second direction of the second airflow through the second airflow path.

12. The heating unit of claim 10 , wherein the partition has a substantially triangular profile.

13. The heating unit of claim 12 , wherein a region of the substantially triangular profile of the partition is a curved region.

14. The heating unit of claim 10 , wherein the partition is configured to separate the coil divider into a first portion of the coil divider proximate to the first heating coil and a second portion of the coil divider proximate to the second heating coil.

15. The heating unit of claim 14 , wherein the first portion of the coil divider is angled toward the first heating coil and is configured to direct the first airflow toward the first heating coil, and the second portion of the coil divider is angled toward the second heating coil and is configured to direct the second airflow toward the second heating coil.

16. The heating unit of claim 10 , wherein the outlet is disposed in a base of the heating unit, and wherein the heating unit is configured to discharge the comingled airflow in a vertically downward direction via the outlet in the base.

17. The heating unit of claim 10 , wherein the outlet is disposed in a lateral side of the heating unit, and wherein the heating unit is configured to discharge the comingled airflow in a longitudinal direction along the length of the heating unit via the outlet in the lateral side.

18. A heating unit for a heating, ventilation and/or air conditioning (HVAC) system, comprising:

a heater assembly including a first heating coil positioned within a first airflow path through the heating unit, and a second heating coil positioned within a second airflow path through the heating unit, wherein the first heating coil and the second heating coil are aligned with one another along a length of the heating unit and extend along the length of the heating unit in a longitudinal direction crosswise to a first direction of airflow through the first airflow path and the second airflow path, and wherein the first heating coil and the second heating coil are separated from one another by a coil divider extending for a distance in the longitudinal direction from the first heating coil to the second heating coil;

a first blower configured to direct a first airflow toward the heater assembly in the first direction;

a second blower configured to direct a second airflow toward the heater assembly in the first direction;

a partition abutting the coil divider and separating the first airflow path and the second airflow path within the heating unit upstream of the heater assembly; and

an outlet configured to discharge a comingled airflow comprising the first airflow directed across the first heating coil and the second airflow directed across the second heating coil from the heating unit in a second direction crosswise to the first direction.

19. The heating unit of claim 18 , wherein the heater assembly is positioned within the heating unit at an oblique angle relative to the first direction of airflow through the first airflow path and the second airflow path.

20. The heating unit of claim 18 , comprising a controller enclosure having processing circuitry configured to control operation of the heater assembly, wherein the controller enclosure is mounted to the heater assembly.

21. The heating unit of claim 20 , wherein the heater assembly is mounted to the controller enclosure through an opening in a side panel of the heating unit.

22. The heating unit of claim 21 , wherein the side panel of the heating unit abuts the first heating coil at a peripheral edge of the heater assembly and is configured to direct the first airflow through the first airflow path and to block bypass of the first airflow around the heater assembly.

23. The heating unit of claim 18 , comprising an air deflector extending along the length of the heating unit in the longitudinal direction, wherein the air deflector is configured to direct the first airflow toward the first heating coil, the second airflow toward the second heating coil, or both.

24. The heating unit of claim 18 , wherein the first blower and the second blower are positioned upstream of the heater assembly relative to the first direction of airflow through the first airflow path and the second airflow path.

25. The heating unit of claim 18 , comprising a support rail, wherein the partition is mounted within the heating unit via the support rail.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 30, 2025
From: JOHNSON CONTROLS TECHNOLOGY COMPANY
To: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Reel/Frame 072298/0096 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 24, 2025
From: TYCO FIRE & SECURITY GMBH
To: JOHNSON CONTROLS LIGHT COMMERCIAL IP GMBH
Reel/Frame 070179/0435 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 24, 2024
From: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
To: TYCO FIRE & SECURITY GMBH
Reel/Frame 067832/0947 →
NUNC PRO TUNC ASSIGNMENT Recorded Feb 4, 2022
From: JOHNSON CONTROLS TECHNOLOGY COMPANY
To: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Reel/Frame 058959/0764 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 8, 2019
From: REARDON, ANTHONY J.; GOTAKHINDI, PRAVEEN M.; RAMANUJAM, SRIRAM; GARG, KARAN; SURYAWANSHI, SUMEDH J.; GEORGE, JIM
To: JOHNSON CONTROLS TECHNOLOGY COMPANY
Reel/Frame 049120/0167 →