Multi-Port Valve Core Removal Tool for Continuous HVAC Charging
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Solution Overview
Problem
Existing valve core removal tools for HVAC systems face challenges in maintaining connections during vacuum and charging processes, often requiring hose removal or refrigerant purging, which can lead to contamination and inefficiencies.
Innovation Solution
A multi-port valve core removal tool with integrated valves allows simultaneous connection of a vacuum gauge, refrigerant gauge hose, and vacuum hose through dedicated ports, enabling uninterrupted service operations without hose disconnection or purging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a valve core removal tool with a limited number of ports is used, then the device complexity is reduced, but the ease of operation deteriorates because the technician must remove vacuum hoses or vacuum gauges to connect the refrigerant gauge
Solution Approach 1:
The valve core removal tool is designed with multiple ports that serve different functions simultaneously. The first port connects to the vacuum gauge, the second port connects to the refrigerant gauge, and the third port connects to the vacuum hose. This multi-functional design allows the tool to handle vacuum measurement, refrigerant charging, and vacuum pumping operations without requiring hose removal or disconnection, thereby improving ease of operation while maintaining manageable device complexity
2Device complexity
If a valve core removal tool with a limited number of ports is used, then the device complexity is reduced, but the productivity deteriorates because the technician experiences delays in the charging process
Solution Approach 1:
The valve core removal tool enables continuous operation during the refrigerant charging process. By providing dedicated ports for the vacuum gauge, refrigerant gauge, and vacuum hose, the tool eliminates the need to disconnect and reconnect hoses during the charging operation. This continuity of useful action prevents interruptions and delays, thereby improving productivity while keeping the device complexity at an acceptable level
3Ease of operation
If hoses are removed during the charging process, then the ease of operation improves for connection purposes, but the reliability deteriorates due to risk of contamination
Solution Approach 1:
The valve core removal tool acts as an intermediary device that maintains the vacuum seal throughout the charging process. By providing dedicated connection ports for the vacuum gauge, refrigerant gauge, and vacuum hose, the tool serves as a mediator that allows multiple connections to be maintained simultaneously without breaking the vacuum seal. This eliminates the need to remove hoses during the charging operation, thereby preventing contamination and maintaining system integrity while still facilitating easy connections
Data Source
AI summary
A valve core removal tool for an air-conditioning system includes a main body. The main body can include a system port, a first port, a second port, and a third port. The system port can be coupled to the air-conditioning system. The first port can be in fluid communication with the system port via a first channel. The first port can include a first valve and a first coupling. The second port can be in fluid communication with the system port via the second channel. The second port can include a second valve and a second coupling. The third port can be in fluid communication with the system port via a third channel. The third port can include a third valve, a third coupling, and a valve core assembly.