公开(公告)号：US10150189B2

公开(公告)日：2018-12-11

申请号：US15599594

申请日：2017-05-19

申请人： Lennox Industries Inc.

发明人： Hans J. Paller ,  Glenn W. Kowald

IPC分类号： B29C45/18 ,  F23D14/34 ,  B23P15/00 ,  F23D14/58 ,  F24H3/08 ,  F24H8/00 ,  F25D21/14 ,  F24H9/20 ,  B29L31/18

摘要： A condensation trap comprising an inlet chamber, a vent chamber and an outlet chamber. The inlet chamber is configured to receive condensate fluid through an external opening therein. The vent chamber is in fluid communication with the inlet chamber via a first passageway that includes an internal opening of the inlet chamber. The internal opening is located substantially at an opposite end of the vent chamber as the external opening. The outlet chamber is in fluid communication with the vent chamber via a second passageway that includes an internal opening in a sidewall of the vent chamber and an interior opening in an end of the outlet chamber. The outlet chamber is configured to transmit the condensate fluid through an exterior opening located at an opposite end of the outlet chamber. A vent volume portion is greater than a total volume of an internal space of the inlet chamber.

公开(公告)号：US09815154B2

公开(公告)日：2017-11-14

申请号：US15193631

申请日：2016-06-27

申请人： Lennox Industries Inc.

发明人： Glenn W. Kowald ,  Hans J. Paller

IPC分类号： F28D15/00 ,  B23P15/00 ,  F23D14/58 ,  F23D14/34 ,  F24H3/08 ,  F24H8/00 ,  B29C45/18 ,  F25D21/14 ,  F24H9/20 ,  B29L31/18

CPC分类号： B23P15/00 ,  B29C45/18 ,  B29L2031/18 ,  F23D14/34 ,  F23D14/58 ,  F23D2900/14481 ,  F24H3/087 ,  F24H8/006 ,  F24H9/2035 ,  F25D21/14 ,  Y02B30/106 ,  Y10T29/49 ,  Y10T29/49348 ,  Y10T29/4935 ,  Y10T29/49389 ,  Y10T29/49826 ,  Y10T137/4463

摘要： A header box, a furnace and a blocked condensation protection system are disclosed herein. In one embodiment, the header box includes: (1) a first channel having a first channel supply port positioned to be in fluid communication with an inlet of a combustion air blower and a first pressure port couplable to a first input of a pressure sensing device, the combustion air blower and the pressure sensing device associated with the cold end header box and (2) a second channel having a second channel supply port positioned to be in fluid communication with the inlet of the combustion air blower, a second pressure port couplable to a second input of the pressure sensing device and a pressure reference inlet, the second channel in fluid communication with the first channel and configured to have about a same pressure as the first channel when the pressure reference inlet is blocked.

公开(公告)号：US20170211847A1

公开(公告)日：2017-07-27

申请号：US15481160

申请日：2017-04-06

申请人： Lennox Industries Inc.

发明人： Glenn W. Kowald ,  Hans J. Paller

IPC分类号： F24H9/20 ,  F24H3/06

CPC分类号： F24H9/2085 ,  F24H3/06 ,  F24H3/065 ,  F24H9/2035

摘要： The disclosure provides a controller for a multistage gas furnace, a multistage gas furnace and computer readable medium for performing a method to operate a furnace. In one embodiment, the controller includes: (1) an interface configured to receive a heating call and (2) a corrosion reducer configured to ignite the gas furnace at a high fire operation based on if an indoor circulating fan of the gas furnace is active.

公开(公告)号：US20170080532A1

公开(公告)日：2017-03-23

申请号：US15368882

申请日：2016-12-05

申请人： Lennox Industries Inc.

发明人： Hans J. Paller ,  Glenn W. Kowald

IPC分类号： B23P15/00 ,  F23D14/58 ,  F24H9/20 ,  F23D14/34

CPC分类号： B23P15/00 ,  B29C45/18 ,  B29L2031/18 ,  F23D14/34 ,  F23D14/58 ,  F23D2900/14481 ,  F24H3/087 ,  F24H8/006 ,  F24H9/2035 ,  F25D21/14 ,  Y02B30/106 ,  Y10T29/49 ,  Y10T29/49348 ,  Y10T29/4935 ,  Y10T29/49389 ,  Y10T29/49826 ,  Y10T137/4463

摘要： An alternative-fuel gas orifice, a gas furnace configured to employ the same and a method of designing a gas orifice. In one embodiment, the gas orifice includes: (1) a body having an aperture extending therethrough and including: (1a) a metering neck having a cross-sectional area such that a given flow rate of a gas is established when the gas is delivered to the gas orifice at a given alternative-fuel delivery pressure and (1b) a diffuser having a cross-sectional area larger than the cross-sectional area of the metering neck and a length such that the gas achieves a substantially laminar flow before exiting the diffuser.