US 12,007,146 B2
Vertically stacked dual heat engine rack
Ansley Houston, Peachtree City, GA (US); Parth Patel, Peachtree City, GA (US); and Rohan Scafe, Peachtree City, GA (US)
Assigned to Rinnai America Corporation, Peachtree City, GA (US)
Appl. No. 17/422,370
Filed by Rinnai America Corporation, Peachtree City, GA (US)
PCT Filed Jan. 10, 2020, PCT No. PCT/US2020/013106
§ 371(c)(1), (2) Date Jul. 12, 2021,
PCT Pub. No. WO2020/146746, PCT Pub. Date Jul. 16, 2020.
Claims priority of provisional application 62/915,791, filed on Oct. 16, 2019.
Claims priority of provisional application 62/791,302, filed on Jan. 11, 2019.
Prior Publication US 2022/0120473 A1, Apr. 21, 2022
Int. Cl. F24H 9/06 (2006.01); C02F 1/02 (2023.01); C02F 5/02 (2023.01); F24H 1/10 (2022.01); F24H 9/13 (2022.01)
CPC F24H 9/06 (2013.01) [C02F 1/02 (2013.01); C02F 5/025 (2013.01); F24H 1/107 (2013.01); F24H 9/139 (2022.01); C02F 2209/02 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A water heater rack system, comprising:
a first post having a first end and a second end, the second end of the first post comprising a first support surface;
a second post having a first end and a second end, the second end of the second post comprising a second support surface, wherein the first and second support surfaces are coplanar;
a first heat engine having a first surface coupled across the first post and the second post at a first location between the first and second end of the first and second posts, the first heat engine also having a second surface that is perpendicular to the first surface of the first heat engine, the second surface of the first heat engine having a first hot water outlet and facing towards the first and second support surfaces; and
a second heat engine having a first surface coupled across the first post and the second post at a second location between the first and second end of the first and second posts, the second heat engine also having a second surface that is perpendicular to the first surface of the second heat engine, the second surface of the second heat engine having a second hot water outlet and facing towards the first and second support surfaces,
wherein the second heat engine further comprises a third surface that is opposite the second surface of the second heat engine, the third surface of the second heat engine having at least one vent pipe, wherein the second surface of the first heat engine faces the third surface of the second heat engine.