Multi-Cartridge Filter Valve Control for Dirt Vacuum Cleaners
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Solution Overview
Problem
The existing dirt vacuum cleaners have limitations in suction power due to the integration of the blower within the housing, generate excessive noise, and are restricted to single ring filters, which limits their functionality and service life.
Innovation Solution
The design incorporates multiple separately controllable filter cartridges instead of a single large ring filter, with a simplified valve control mechanism where valve disks are firmly connected to the valve rods and held in place by spring-loaded compression springs, allowing for independent control of each filter's cleaning and working positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single large ring filter is used, then the structure is simpler, but the service life is limited and replacement is costly
Solution Approach 1:
The single large ring filter is divided into multiple smaller filter cartridges (typically 2-4 cartridges). Each cartridge can be independently cleaned and replaced. This segmentation extends the overall service life because when one cartridge wears out, only that specific cartridge needs replacement rather than the entire filter system, and other cartridges can continue operating.
2Volume of moving object
If the blower is integrated into the dirt vacuum cleaner housing, then the structure is compact, but the suction power is limited and noise is excessive
Solution Approach 1:
The blower is extracted from the dirt vacuum cleaner housing and installed as a separate stationary unit. This allows the housing to be compact and mobile while the blower can be sized for high suction power without noise constraints. The blower remains connected to the vacuum cleaner through flexible hoses, enabling the system to achieve both compactness and high performance.
3Volume of moving object
If the blower is integrated into the dirt vacuum cleaner housing, then the structure is compact, but the noise level is excessively high
Solution Approach 1:
The noise-generating blower is extracted from the mobile vacuum cleaner housing and positioned as a separate stationary unit. This separation allows the housing to remain compact and quiet for user operations, while the blower operates in a stationary location where noise is less problematic. The connection is maintained through flexible hoses that allow the blower to be positioned away from the housing.
4Device complexity
If a single ring filter is used, then the valve control is simpler, but only one filter can be cleaned at a time and functionality is limited
Solution Approach 1:
The single filter system is segmented into multiple independent filter cartridges, each with its own suction opening and valve control. This allows different combinations of cartridges to be cleaned simultaneously or separately based on operational needs. The valve control is designed to manage multiple openings independently, providing flexibility in filter maintenance while maintaining a relatively simple overall structure.
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 configuration enhances suction power, extends the service life of the vacuum cleaner, reduces noise, and allows for the use of various filter types, enabling more efficient and flexible operation, including as a pre-separator in stationary fan systems.
Implementation Method 1
the suction opening (14, 15) of the filter (3, 4) is opened by a lifting magnet (26, 27) acting on the valve rod (28, 29)
Implementation Method 2
valve disk (31, 31a) is firmly connected to the respective valve rod (28, 29) of the lifting magnet (26, 27) and is held in its closed position by means of a spring-loaded helical compression spring (33, 33a)
Implementation Method 3
The air thus flows in the indicated direction of the arrow into the suction chamber (13), which is air-tightly connected to a circumferential annular chamber (23), into which the air flows, is collected there and leaves the inlet opening (20) in the direction of the arrow 49
Data Source
Figure 1
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Figure 3
AI summary
Dirt vacuum cleaner with a valve control for cleaning at least one filter (3, 4), in which during the cleaning process at least one valve located in the suction opening of a filter to be cleaned is closed and at least one valve used for rinsing a filter is opened, the valve control having at least one lifting magnet (26 , 27), a valve disk (30a, 30b) and a valve rod (28, 29), the valve disk (30a, 30b) being firmly connected to the respective valve rod (28, 29) of the respective lifting magnet (26, 27) and is spring-loaded in its closed position by means of a spring (33).