Handheld Misting Pump Handle With Pressure Relief Locking
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Solution Overview
Problem
Existing personal misting devices lack an effective indication of sufficient pressure for fine mist emission and often fail to properly seat the pump handle under full pressure, leading to inefficient and messy operation.
Innovation Solution
A handheld misting device with an integrated pump featuring a locking mechanism for proper handle seating and a pressure relief channel with an audible indicator to signal maximum pressure, preventing over-pressurization and ensuring efficient mist emission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a hand pump is directly attached to a small water tank for manual pressurization, then the device eliminates the requirement for a separate power source, but the user cannot tell if the container is sufficiently pressurized without testing by opening the valve
Solution Approach 1:
The patent uses a pressure indicator that changes color or provides visual feedback to indicate when the container has reached sufficient pressure. This allows the user to know the pressure status without opening the valve, resolving the information loss problem while maintaining the integrated pump design.
Solution Approach 2:
The patent incorporates a feedback mechanism through the pressure indicator that provides real-time information to the user about the pressurization status. This feedback loop eliminates the need to open the valve to check pressure, while the integrated pump design remains intact.
2Productivity
If the tank is pressurized to emit fine mist, then the cooling effect is improved, but the pump handle may not properly seat in a closed position being pushed out by the pressure
Solution Approach 1:
The patent applies preliminary anti-action by designing a locking mechanism that counteracts the pressure force before it can push the handle out of position. The locking mechanism engages to secure the handle in the closed position, preventing the pressure from displacing it during operation.
Solution Approach 2:
The patent uses preliminary action by implementing a locking mechanism that secures the handle in the correct position before pressurization occurs. This ensures the handle remains properly seated during the high-pressure mist emission phase, maintaining both reliability and productivity.
3Reliability
If the pump handle is locked in place under pressure, then proper seating is maintained, but the device lacks a mechanism to release excess pressure
Solution Approach 1:
The patent applies self-service by designing an automatic pressure relief mechanism that activates when excess pressure is detected. The system self-regulates by releasing pressure through a relief valve or burst disc, eliminating the need for complex manual pressure release mechanisms while maintaining handle stability.
Solution Approach 2:
The patent uses dynamics by incorporating a pressure-responsive locking mechanism that can dynamically adjust or release under specific pressure conditions. This allows the handle to remain securely locked during normal operation but provides a controlled release path when pressure exceeds safe levels, balancing reliability with manageable complexity.
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
The device effectively indicates when sufficient pressure is reached, prevents over-pressurization, and ensures the pump handle properly seats, resulting in consistent and efficient fine mist emission.
Implementation Method 1
The handle further includes a pressure relief channel that cooperates with a pressure relief valve to release air through the handle when the chamber is over-pressurized
Implementation Method 2
An integrated pump is provided for pressurizing a fluid chamber
Implementation Method 3
emitting a fine mist spray... the evaporation of the mist provides the cooling effect
Implementation Method 4
force a contained liquid, usually water, through the atomizer of the device and emit the liquid as a mist
Data Source
AI summary
A misting device has a form factor that allows the device to be handheld. The device includes a fluid tank that can be pressurized to force the contained fluid under pressure through a fluid delivery system. A hand-operated pump injects air into the fluid tank to pressurize the fluid tank. The pump includes a pump handle located at the bottom of the tank at one end of a rod, and a piston at the other end of the rod. A pressure-relieving air channel extends through the piston, the rod, and the pump handle to emit air out of the pump and into the environment when the fluid tank is at a maximum pressure.