Heating circulation pump

A technology for heating circulation and pump housing, which is applied in the direction of pumps, pump devices, non-variable-capacity pumps, etc., to achieve the effect of being conducive to packaging and storage, reducing the diversity of parts, and beautiful design

Active Publication Date: 2013-12-11
GRUNDFOS MANAGEMENT AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Such small to medium heating circulators are already produced in high volumes...

Method used

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  • Heating circulation pump
  • Heating circulation pump
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Examples

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Embodiment Construction

[0027] The heating circulation pump shown in the figure has a pump housing 1 comprising a suction sleeve 2 and a pressure sleeve 3 . A pump impeller 4 is rotatably arranged in the pump housing 1 in order to convey the conveying liquid at high pressure from the suction sleeve 2 into the pressure sleeve 3 in a known manner by rotating the pump impeller 4 . The pump impeller 4 is arranged on the shaft 5 , which simultaneously carries the rotor 6 of the electric motor, and the stator 7 of the electric motor is arranged in the stator housing 8 . The motor is a wet-running motor and has a liquid-filled slot 9 between the rotor 6 and the stator 7 .

[0028] The pump housing 1 is designed to be open relative to the stator housing 8 . At its pump-side end, the stator housing 8 has a flange 10 which is connected to a flange 11 of the pump housing 1 and has a rounded square contour. Due to the circular design of the other part of the stator housing 8 , there will be a part in which the...

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Abstract

A heating circulation pump has a pump housing (1) with a pump rotor (4) arranged therein, which pump rotor (4) is driven by an electric motor (6, 7), the stator housing (8) of which has a flange which connects to the pump housing (1). The heating circulation pump has a terminal box housing (15) for the electrical connection of the motor (6, 7). The terminal box housing (15) engages over the stator housing (8), from the side facing away from the pump, into the region of the flange.

Description

technical field [0001] The invention relates to a heating circulation pump having the features stated in the preamble of claim 1 . Background technique [0002] Such heating circulation pumps are known in the prior art. They generally comprise a pump housing with a suction sleeve and a pressure sleeve and an impeller arranged in the pump housing. An electric motor is provided to drive the pump impeller, and the shaft of the electric motor carries the pump impeller. The stator surrounding the rotor is arranged in a housing which has a flange or similar connecting element on its side facing the pump housing, via which the motor housing, in particular the stator housing, is connected to the pump housing. connect. A terminal box housing is provided for the electrical connection of the electric motor, which is arranged on the axial side of the stator housing facing away from the pump housing and forms the lower part of the terminal box. The terminal box housing usually also c...

Claims

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Application Information

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IPC IPC(8): F04D13/06H02K5/00
CPCH02K5/225F04D13/064H02K11/33H02K5/04F04D13/0693
Inventor 米克尔·林德·斯滕托夫特
Owner GRUNDFOS MANAGEMENT AS
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