公开(公告)号：US20190212040A1

公开(公告)日：2019-07-11

申请号：US16351078

申请日：2019-03-12

申请人： Johnson Controls Technology Company

发明人： Florin V. Iancu ,  Justin P. Kauffman ,  Jeb W. Schreiber ,  Chenggang Wu ,  Steven Wang ,  John Trevino, Jr.

IPC分类号： F25B41/00 ,  F15D1/04 ,  F25B41/06 ,  F04D17/10 ,  F25B1/053 ,  F04D29/42

CPC分类号： F25B41/003 ,  F04D17/10 ,  F04D29/4213 ,  F15D1/04 ,  F25B1/053 ,  F25B41/06 ,  F25B2500/01

摘要： A compressor includes an inlet and the inlet includes a flange and an impeller eye. The flange is connected to a suction line that transfers a refrigerant into the compressor via the impeller eye. The refrigerant flows into the compressor with an amount of swirl and a pressure loss. The suction line includes a geometry that includes a constantly decreasing cross-sectional area in a direction towards the compressor. The geometry of the suction line is configured to reduce the amount of swirl and the pressure loss.

公开(公告)号：US10317117B2

公开(公告)日：2019-06-11

申请号：US15137759

申请日：2016-04-25

申请人： JOHNSON CONTROLS TECHNOLOGY COMPANY

发明人： Jeb W. Schreiber ,  Jay A. Kohler ,  Paul De Larminat ,  Mustafa Kemal Yanik ,  William F. McQuade ,  Justin P. Kauffman ,  Soren Bierre Poulsen ,  Lee Li Wang ,  Satheesh Kulankara

IPC分类号： F25B41/04 ,  F25B39/02 ,  F28D3/02 ,  F28D3/04 ,  F28D7/16 ,  F28D21/00 ,  F28F9/22 ,  F28F25/06

摘要： An evaporator (168) in a vapor compression system (14) (168) includes a shell (76), a first tube bundle (78); a hood (86); a distributor (80); a first supply line (142); a second supply line (144); a valve (122) positioned in the second supply line (144); and a sensor (150). The distributor (80) is positioned above the first tube bundle (78). The hood (88) covers the first tube bundle (78). The first supply line (142) is connected to the distributor (80) and an end of the second supply line (144) is positioned near the hood (88). The sensor (150) is configured and positioned to sense a level of liquid refrigerant (82) in the shell. The valve (122) regulates flow in the second supply line in response to the level of liquid refrigerant (82) from the sensor (150).

公开(公告)号：US09612601B2

公开(公告)日：2017-04-04

申请号：US14599306

申请日：2015-01-16

申请人： Johnson Controls Technology Company

发明人： Saman Beyhaghi ,  Matthew J. Asmus ,  Justin P. Kauffman

IPC分类号： G05D23/19 ,  G05B15/02

CPC分类号： G05D23/1917 ,  G05B15/02 ,  G05B2219/2614 ,  G05D23/1934

摘要： An adaptive capacity constraint management system receives a measured value affected by HVAC equipment at actual operating conditions and uses the measured value to determine an operating value for a variable that affects a capacity of the HVAC equipment at the actual operating condition. The system uses the operating value to calculate a gain factor for the variable relative to design conditions and uses the calculated gain factor to determine a capacity gain for the HVAC equipment relative to the design conditions. The system applies the capacity gain to a design capacity limit for the HVAC equipment to determine a new capacity limit for the HVAC equipment at the actual operating conditions. The system may use the new capacity limit as a constraint in an optimization routine that that selects one or more devices of the HVAC equipment to satisfy a load setpoint.