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Hydraulic connecting unit, in particular for cooling and heating plants

A technology for connecting units and heating equipment, applied in mechanical equipment, engine components, cocks including cut-off devices, etc., can solve problems such as cumbersome valve units

Inactive Publication Date: 2019-12-13
CALEFFI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] It must be added that the known valve units are bulky and therefore require a certain installation space and allow manual operation of the various valves

Method used

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  • Hydraulic connecting unit, in particular for cooling and heating plants
  • Hydraulic connecting unit, in particular for cooling and heating plants
  • Hydraulic connecting unit, in particular for cooling and heating plants

Examples

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Embodiment Construction

[0020] The shown hydraulic connection unit is indicated generally at 10 .

[0021] For a detailed description of the hydraulic unit 10, in particular reference is made to Figure 5 .

[0022] The hydraulic unit 10 provides a one-piece body 11 (wherein two through-cylindrical seats 12 and 13 crossing at 90° are obtained), a through-cylindrical seat 14 and a bypass connecting the crossed seats 12 and 13 to the seat 14 Catheter 15 ( Figure 5 ). The axis of seat 12 is parallel to the axis of catheter 15, the axes of seats 13 and 14 are parallel to each other and perpendicular to the axes of seat 12 and catheter 15; moreover, all the aforementioned axes lie on the same plane.

[0023] A hollow ball gate 16 having two coaxial opposite holes 17 (in Figure 5 only one of which is visible), a hole 17' with an axis perpendicular to the hole 17 and parallel to the axis of the conduit 15 (in Figure 13 clearly visible in ), and another smaller diameter hole 18 with an axis inclined ...

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Abstract

A hydraulic connecting unit (10), in particular for cooling and heating plants, has a one piece body (11) in which two respective communicating hollow ball shutters (16, 36) are received, which are provided with different flow paths (17, 17', 18, 37, 38), which are actuated from the outside by levers (23, 39) to be rotated to a plurality of positions to allow various operating conditions of the hydraulic unit. A hydraulic unit is thus obtained which is easy to assemble, highly fluidtight and dimensionally small.

Description

technical field [0001] The invention relates to a hydraulic connection unit intended especially for cooling and heating installations. Background technique [0002] Hydraulic units to be applied in cooling and heating installations are known, providing heat generators for the heat transfer fluid, supply networks for the heat transfer fluid and a series of terminal units using the heat transfer fluid, such as fan coil units. [0003] Hydraulic units connect the supply network to the terminal units and perform several functions including connecting functions, bypassing functions, filtering functions and different types of fluid interception functions for intercepting fluid for maintenance, cleaning and washing. [0004] As a rule, known hydraulic units each consist of different individual shut-off valves and filters, which are hermetically fitted together. [0005] This requires different connections to be made during assembly, increasing production costs. [0006] Also, thi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K11/087F16K11/20
CPCF16K5/0605F16K11/0876F16K11/207
Inventor 马尔科·卡莱菲
Owner CALEFFI