公开(公告)号：US11142923B2

公开(公告)日：2021-10-12

申请号：US16533344

申请日：2019-08-06

Applicant: Pentair Water Pool and Spa, Inc.

Inventor： Azur Dzindo

IPC: E04H4/12 ,  F24H1/10 ,  F24H9/20 ,  F24H9/12 ,  F24D15/04 ,  F24H1/12 ,  F24H1/16 ,  F24H4/02 ,  A61H33/00

Abstract: A water heater includes a heat exchanger, a heat pump, a first valve in fluid communication with the heat exchanger and the heat pump, and a controller configured to control the first valve. The first valve can be configured to direct water flow toward at least one of the gas heater or the electric heat pump. A second valve in fluid communication with the first valve and the heat pump can be provided, and the controller can be further configured to control the second valve. A water heater inlet and a water heater outlet can be included and in fluid communication with the first valve, and the controller can be configured to monitor a temperature of water entering the water heater inlet and control the first valve dependent upon the monitored temperature.

公开(公告)号：US09732536B2

公开(公告)日：2017-08-15

申请号：US14746403

申请日：2015-06-22

Applicant: Pentair Water Pool and Spa, Inc.

Inventor： Azur Dzindo

IPC: E04H4/00 ,  E04H4/12 ,  F24H1/10 ,  F24H9/20 ,  F24H9/12 ,  F24D15/04 ,  F24H1/12 ,  F24H1/16 ,  F24H4/02 ,  A61H33/00

CPC classification number: E04H4/129 ,  A61H33/0095 ,  A61H2201/0207 ,  A61H2201/5038 ,  A61H2201/5058 ,  A61H2201/5082 ,  A61H2201/5097 ,  F24D15/04 ,  F24H1/101 ,  F24H1/107 ,  F24H1/124 ,  F24H1/165 ,  F24H4/02 ,  F24H9/128 ,  F24H9/2028 ,  F24H2210/00 ,  F24H2220/00 ,  F24H2250/00 ,  Y02B30/12

Abstract: Embodiments of the invention provide a pool heater including a housing, a first tankless heater, a second tankless heater, and a controller. The controller is configured to activate only the first tankless heater when a first condition is met, activate only the second tankless heater when a second condition is met, and activate the first and the second tankless heaters simultaneously when a third condition is met.