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公开(公告)号：US11920694B2
公开(公告)日：2024-03-05
申请号：US17534595
申请日：2021-11-24
申请人： Caleffi S.p.A.
发明人： Marco Caleffi
CPC分类号： F16K31/002 , G05D23/023
摘要： An antifreeze valve unit has a valve body provided with at least one opening for the delivery of a fluid used in an air conditioning plant; this unit has a first thermostatic valve, fitted at a drain outlet to drain the fluid in function of the fluid temperature, and a second thermostatic valve fitted at the drain outlet to enable or prevent the drain of the fluid in function of the external environment temperature. This antifreeze valve unit operates reliably in any temperature condition of the inner fluid and of the external environment temperature, and enables the plant to be drained only if a real possibility of fluid freezing occurs.
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公开(公告)号：US20230315132A1
公开(公告)日：2023-10-05
申请号：US18005890
申请日：2021-07-13
申请人： CALEFFI S.p.A.
发明人： Marco Caleffi
CPC分类号： G05D16/0661 , E03B7/075
摘要： A diaphragm pressure reducer has internally a shutter regulating the fluid passage between an inlet and an outlet; the shutter is pushed to open by a spring which is contrasted by an elastic diaphragm on which the fluid pressure acts to push the shutter to close; the diaphragm is placed between a first chamber in which the pressurized fluid is present that acts on the diaphragm and a second chamber communicating with the outside through an air vent passage; at the air vent passage an elastically deformable element is arranged that normally allows air to flow in the air vent passage, but in the event of rupture of the diaphragm through the thrust of the water pressure is deformed and moves so as to shut the aforesaid air vent passage and prevent water exiting the diaphragm pressure reducer.
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公开(公告)号：US20240293827A1
公开(公告)日：2024-09-05
申请号：US18575439
申请日：2021-06-30
申请人： CALEFFI S.p.A
发明人： Marco CALEFFI
CPC分类号： B03C1/30 , B01D29/35 , B01D29/6415 , B01D35/16 , B03C1/0332 , B03C1/284 , B03C1/286 , F28F19/01 , B03C2201/18
摘要： A device for capturing and removing dirt particles provides a main body provided with an inlet, an outlet and a main chamber obtained inside the main body in a path of a heat transfer fluid between the inlet and the outlet; inside the main chamber, in the path of the heat transfer fluid between the inlet and outlet, a dirt particles intercepting and separating element, one or more magnets for magnetically retaining ferromagnetic dirt particles, and a mesh filter for mechanically retaining dirt particles are provided in series; movable brushes rotatable from outside and intended to remove the dirt particles mechanically retained by the mesh filter are further provided inside the main chamber. It is therefore produced a small, adaptable and easy-to-clean device, with no need to remove it from the system or to open it for cleaning it.
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公开(公告)号：US11860647B2
公开(公告)日：2024-01-02
申请号：US17424250
申请日：2019-01-23
申请人： CALEFFI S.p.A.
发明人： Marco Caleffi
CPC分类号： G05D23/1346 , E03C1/041
摘要： A thermostatic mixing valve includes a first cold water inlet, a first cold water outlet, a second hot water inlet, a second mixed cold/hot water outlet, a thermostatic member and a shutter operated by the thermostatic member to ensure that the mixed water is kept at a predetermined temperature. A hollow insert is provided along the first cold water inlet and includes longitudinal fins on the outer wall thereof to obtain two separate coaxial passages, for sending the cold water both directly to the first cold water outlet and to the area for mixing it with the hot water through the shutter to supply the mixed water to the second hot water outlet.
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公开(公告)号：US20200049262A1
公开(公告)日：2020-02-13
申请号：US16343601
申请日：2017-10-23
申请人： CALEFFI S.p.A.
发明人： Marco CALEFFI
IPC分类号： F16K11/044 , G05D23/13
摘要： A mixer valve device, in particular for mixing hot and cold water, has a movable shutter that adjusts the flow of hot water and of cold water into a mixing chamber so as to have in the outlet mixed hot/cold water at a given preset temperature; the device combines a gearmotor and a thermostat; during the step of setting the device the gearmotor moves the shutter to the position substantially corresponding to the required temperature of the mixed water; the thermostat maintains the required temperature within a preset tolerance by moving the shutter correspondingly. A mixer valve device is thus made that has reduced mechanical wear and low electric consumption and is safe and reliable.
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公开(公告)号：USD820392S1
公开(公告)日：2018-06-12
申请号：US29535264
申请日：2015-08-05
申请人： Caleffi S.p.A.
设计人： Marco Caleffi
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公开(公告)号：US20220113748A1
公开(公告)日：2022-04-14
申请号：US17424250
申请日：2019-01-23
申请人： CALEFFI S.p.A.
发明人： Marco CALEFFI
摘要： An under-sink/under-washbasin thermostatic mixing valve provides a first cold water inlet, a first cold water outlet, a second hot water inlet, a second mixed cold/hot water outlet; a thermostatic member and a shutter operated by the thermostatic member to ensure that the mixed water is kept at a predetermined temperature. A hollow insert is received along the first cold water inlet and is provided with longitudinal fins on the outer wall thereof to obtain two separate coaxial passages, for sending the cold water both directly to the first cold water outlet and to the area for mixing it with the hot water through the shutter to supply the mixed water to the second hot water outlet. In this way a compact and inexpensive thermostatic mixing valve is obtained.
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公开(公告)号：USD890883S1
公开(公告)日：2020-07-21
申请号：US29693218
申请日：2019-05-31
申请人： CALEFFI S.P.A.
设计人： Marco Caleffi
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公开(公告)号：USD835754S1
公开(公告)日：2018-12-11
申请号：US29560999
申请日：2016-04-12
申请人： Caleffi S.p.A.
设计人： Marco Caleffi
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公开(公告)号：US12061488B2
公开(公告)日：2024-08-13
申请号：US18005890
申请日：2021-07-13
申请人： CALEFFI S.p.A.
发明人： Marco Caleffi
CPC分类号： G05D16/0661 , E03B7/075 , G05D16/0655
摘要： A diaphragm pressure reducer has internally a shutter regulating the fluid passage between an inlet and an outlet; the shutter is pushed to open by a spring which is contrasted by an elastic diaphragm on which the fluid pressure acts to push the shutter to close; the diaphragm is placed between a first chamber in which the pressurized fluid is present that acts on the diaphragm and a second chamber communicating with the outside through an air vent passage; at the air vent passage an elastically deformable element is arranged that normally allows air to flow in the air vent passage, but in the event of rupture of the diaphragm through the thrust of the water pressure is deformed and moves so as to shut the aforesaid air vent passage and prevent water exiting the diaphragm pressure reducer.
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