Thermostatic cartridge for the regulation of hot and cold fluids to be mixed, and mixer tap comprising one such cartridge
A technology of temperature regulation and fluid mixing, applied in the field of hot and cold control cocks with concentric flow and temperature control devices, can solve problems such as the inability to ensure uniform mixing temperature, the inability to ensure the flow of mixed fluids, and the flow restriction, etc. Good temperature/flow regulation compromise, good temperature regulation, good regulation
Inactive Publication Date: 2007-05-23
VERNET SA
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Problems solved by technology
[0004] [04] However, the presence of the vortex restricts the discharge of the mixed fluid from the outlet of the core assembly, and thus creates a restriction on the flow rate in the fully open state of the cock
On the contrary, for small flows, the vortex cannot ensure that the mixture has a uniform temperature, nor can it ensure that the mixed fluid flows along the heat-sensitive part of the temperature regulating element
Method used
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[0029] [29] In Fig. 1A and Fig. 1B, the thermoregulation core assembly arranged around and along the central axis X-X is shown. The cartridge assembly is adapted to be fitted on a hot and cold control cock.
[0030] [30] The core assembly includes a shell box 1, which defines an eccentric pipeline 1A for hot water inlet, an eccentric pipeline 1B for cold water inlet, and a central pipeline 1C for cold and hot mixed water outlet on the bottom surface. It extends parallel to the axis X-X. The upper half of case 1 simultaneously receives:
[0031] [31] - The ceramic lower disc 2 centered on the axis X-X, which is rotatably connected to the casing 1 in a sealed manner.
[0032] [32]-Ceramic upper disc body 3 whose center is axis X-X, the lower surface of which is connected to the upper surface of disc body 2 along the connecting plane P,
[0033] [33] - the lower part 4A of the mixed water flow control lever 4, said lower part 4A is connected to the disc body 3 in rotation,
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The invention relates to a thermostatic cartridge for the regulation of hot and cold fluids to be mixed, and to a mixer tap comprising one such cartridge. The inventive cartridge comprises two disks (2, 3) which are used to adjust the flow of hot and cold fluids and which each comprise a passage (2A, 3A) for hot fluid, a passage (2B, 3B) for cold fluid and a passage (2C, 3C) for a mixture of both, said disks being movably joined to one another. One of said disks (3) is connected in rotation to a member (4) for controlling the flow of the mixture, while the other (2) is fixed. In order to do without a turbulator in the cartridge, the flow section for the mixture through the disks (2, 3), which is defined by stacking passages for the mixture (2C, 3C) in the joining plane (P) of the disks, varies according to the configuration of the control member. The majority of the thermosensitive part (5A) of a thermostatic regulation element (5) is positioned upstream of the disk joining plane in the direction of flow (FC) of the mixture. The invention is suitable for thermostatic cartridges comprising concentric temperature and flow control elements, particularly of the quarter turn type.
Description
technical field [0001] [01] The present invention relates to a temperature-regulated cartridge assembly for mixing hot and cold fluids, in particular a cartridge assembly with concentric flow and temperature control devices, especially of the quart de tour type. The invention also relates to a robinet mitigeur comprising said cartridge assembly. Background technique [0002] [02] At present, most cocks with ceramic discs cannot effectively stabilize the temperature of the outflow fluid, namely "mixed fluid" or "hot and cold mixed fluid", when at least one of the inflow fluids, namely "cold fluid" When the pressure and / or temperature of the "thermal fluid" changes. For these taps, therefore, a cartridge assembly equipped with a temperature-regulating element for regulating the temperature of the mixed fluid is proposed. [0003] [03] Document FR-A-2 821 411 describes a thermoregulating core assembly of the stated type with a concentric control device, that is, a core assemb...
Claims
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IPC IPC(8): G05D23/13
CPCG05D23/1353Y10T137/86823
Inventor C·马塞G·勒克朗谢
Owner VERNET SA