Dry Material Transfer Pump for Automated Particulate Evacuation
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Solution Overview
Problem
Existing methods for removing particulate matter from air cleaners in heavy dust environments are expensive, inefficient, or cumbersome, such as exhaust aspiration, dust evacuator valves, and manual emptying of dust collection chambers.
Innovation Solution
A dry material transfer pump with an outer and inner tube structure, utilizing pressurized gas to create suction for automated and reliable removal of particulate matter, featuring a plenum portion and angled openings to minimize erosion and enhance efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If exhaust aspiration is used to remove particulate matter, then the removal capability is provided, but the cost becomes expensive
Solution Approach 1:
The patent uses a dry material transfer pump that utilizes pressurized gas (pneumatics) to create suction and transport particulate matter from the precleaner. This replaces expensive exhaust aspiration systems with a simpler pneumatic pump system that uses compressed air or inert gas to evacuate collected particles, reducing system cost while maintaining effective removal capability.
2Device complexity
If manual emptying of dust collection chamber is used, then the system is simple, but the efficiency becomes low and operation becomes cumbersome
Solution Approach 1:
The system enables automated removal of particulate matter using a dry material transfer pump that can be activated to evacuate the collection chamber without manual intervention. The pump automatically transports particles from the precleaner to a disposal location, eliminating the need for manual emptying while maintaining system simplicity.
3Device complexity
If dust evacuator valve is used, then the system is simple, but the operation becomes inefficient and cumbersome for users
Solution Approach 1:
The patent replaces simple but cumbersome dust evacuator valves with a pneumatic dry material transfer pump system. The pump uses pressurized gas to automatically transport particulate matter, providing efficient removal operation while maintaining relative system simplicity. Users can activate the pump for automated evacuation without manual handling of dust.
4Device complexity
If conventional pump designs are used, then the structure is simple, but wear occurs quickly reducing operational life
Solution Approach 1:
The patent employs a dry material transfer pump design that uses composite or erosion-resistant materials in components exposed to particulate matter flow. The pump structure incorporates materials selected for their resistance to wear from dry particles, extending operational life while maintaining a relatively simple overall pump design suitable for portable or vehicle-mounted applications.
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
Facilitates selective, automated, and efficient removal of particulate matter from filter assemblies, reducing wear and extending the pump's operational life while allowing various pressurized gas sources for operation.
Implementation Method 1
The at least one opening fluidly couples the plenum portion to the inner tube channel so as to allow pressurized gas provided via the pressurized gas inlet to flow from the plenum portion into the inner tube channel and create suction within the inner tube channel for drawing the particulate matter through the inner tube channel
Data Source
AI summary
A dry material transfer pump comprises an outer tube including an outer tube channel having an upstream end that is axially aligned with a downstream end thereof, and a plenum portion having a cross-sectional width that is larger than a cross-sectional width of the outer tube channel. A pressurized gas inlet is defined through the outer tube and is in fluid communication with the plenum portion. An inner tube is disposed annularly within the outer tube channel and defines an inner tube channel configured to receive particulate matter. At least one opening is defined radially through a wall of the inner tube and fluidly couples the plenum portion to the inner tube channel to allow the pressurized gas to flow from the plenum portion into the inner tube channel and create suction within the inner tube channel for drawing the particulate matter through the inner tube channel.