Double Pump Insulating Liner for Thermal Management
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Solution Overview
Problem
Existing double pumps lack effective thermal insulation due to their unique geometry, which complicates the installation of insulation covers.
Innovation Solution
A triple-insulating-element system that encases the double pump housing on all sides, with each element designed to fit radially around specific sides of the pump housing and the third element filling the space between the two centrifugal pumps, ensuring comprehensive coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a double pump is used with parallel impeller axes, then two pumps are provided in a single housing with redundant or additional operation capability, but the geometric complexity prevents effective thermal insulation coverage
Solution Approach 1:
The insulating cover is divided into multiple independent insulating elements (first, second, and third insulating elements) that can be separately manufactured and assembled. Each element covers a specific region of the pump housing, allowing the complex geometry of the double pump to be addressed through modular insulation rather than requiring a single complex cover
Solution Approach 2:
The multiple insulating elements are nested together to form a complete insulation system. The first and second insulating elements cover the outer surfaces of the pump housing, while the third insulating element is positioned between the parallel impeller axes, creating a layered insulation structure that comprehensively covers the double pump geometry
2Adaptability or versatility
If a flexible bag with openings is used for insulation, then the cover can accommodate the double pump geometry, but the insulation lacks dimensional stability and requires complex attachment mechanisms
Solution Approach 1:
Rather than using a single flexible bag, the insulation is segmented into multiple rigid or semi-rigid insulating elements. Each element maintains its own dimensional stability independently, eliminating the need for flexible materials while still accommodating the complex double pump geometry through modular assembly
Solution Approach 2:
Each insulating element is specifically designed with its own shape and dimensions to match the local geometry of the pump housing it covers. The first and second elements cover the outer surfaces, while the third element is specifically shaped to fit between the parallel impeller axes, providing localized optimal insulation for each region
3Ease of manufacture
If traditional single-pump insulation is applied to double pumps, then manufacturing is simple, but the insulation cannot provide comprehensive coverage due to the unique double pump geometry
Solution Approach 1:
The insulation system is segmented into multiple standardizable insulating elements that can be manufactured using similar processes. While more than one element is required, each element can be produced using conventional insulation manufacturing techniques, maintaining ease of manufacture while achieving comprehensive coverage through assembly
Solution Approach 2:
The insulating elements are designed to serve multiple functions: the first and second elements provide external insulation coverage, while the third element simultaneously insulates the space between the parallel impeller axes and provides structural support for the overall insulation assembly, maximizing the utility of each manufactured component
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution provides a dimensionally stable, easy-to-manufacture, and simple-to-install thermal insulation for double pumps, mimicking the insulation efficiency of single pumps while addressing the geometric challenges of double pumps.
Implementation Method 1
thermal insulation of the pump housing is common practice... insulation optimizes efficiency by ensuring that heat is pumped to the consumers rather than dissipated into the environment around the pump housing
Data Source
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Figure 5
AI summary
The invention relates to a double pump (1) with a pump housing (2) comprising a first housing side (2a) with a first pump chamber (16a) for the impeller of a first centrifugal pump, and a second housing side (2b) with a second pump chamber (16b) for the impeller of a second centrifugal pump, wherein the impeller axes (9a, 9b) of the first and second centrifugal pump are parallel to each other.An insulating casing (10, 20, 30) surrounds the pump housing (2) comprising a first insulating element (10) that at least partially surrounds the first housing side (2a) and is arranged radially to the impeller axis (9a) of the first centrifugal pump from a first joining direction (A), a second insulating element (20) that at least partially surrounds the second housing side (2b) and is arranged radially to the impeller axis (9b) of the second centrifugal pump from a second joining direction (B) opposite to the first, and at least a third insulating element (30) that is arranged on the pump housing (2) spatially between a mechanical interface (15a) of a drive unit of the first centrifugal pump to the pump housing (2) and a mechanical interface (15b) of a drive unit of the second centrifugal pump to the pump housing (2) from a third joining direction (C) lying parallel to the impeller axes (9a, 9b).The invention further relates to a method for mounting the insulating cladding (10, 20, 30).