Portable Joint-Compound Texture Sprayer with Reciprocating Pump
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Solution Overview
Problem
Existing methods for applying joint compound to drywalls for texture require either manual effort or the use of air compressors, which can be cumbersome and inefficient.
Innovation Solution
A portable joint-compound texture sprayer powered by a rechargeable battery and a reciprocal cycle linear actuator motor, eliminating the need for air compressors or manual pumping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a portable device is designed to spray joint compound without air compressor, then portability and ease of operation are improved, but the device complexity increases due to need for self-contained pressure generation system
Solution Approach 1:
The patent replaces the traditional air compressor system with a battery-powered reciprocating pump mechanism. The pump uses a piston and diaphragm assembly driven by an electric motor to generate hydraulic pressure, substituting the mechanical compression of air with direct hydraulic compression of the joint compound fluid.
Solution Approach 2:
The invention employs a hydraulic system where the joint compound is pressurized through a fluid-powered reciprocating pump. The pump chamber, piston, and diaphragm work together to create hydraulic pressure that forces the compound through the spray nozzle, eliminating the need for pneumatic air compression.
2Ease of operation
If manual pumping is eliminated to reduce operator effort, then ease of operation is improved, but device complexity increases due to need for automated pressure generation
Solution Approach 1:
The device is designed to generate its own operating pressure automatically through the battery-powered reciprocating pump system. The pump continuously cycles to maintain pressure in the fluid chamber, eliminating the need for manual pumping operations while the system serves its own pressure generation needs.
Solution Approach 2:
The manual pumping action is replaced with an electrically-driven reciprocating pump mechanism. The battery-powered motor drives the piston and diaphragm assembly to automatically generate and maintain hydraulic pressure, substituting human mechanical effort with automated electromechanical operation.
3Ease of operation
If air compressor is replaced with battery-powered system, then portability is improved, but energy consumption increases due to battery power requirements
Solution Approach 1:
The system uses hydraulic pressure generation through a reciprocating pump to spray the joint compound directly, eliminating the need for air compression. This hydraulic approach is more energy-efficient for fluid delivery compared to pneumatic systems, as it directly pressurizes the material without the energy losses associated with air compression and storage.
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
Enables efficient and portable application of joint compound to produce an orange peel texture on drywalls without the need for air compressors or manual effort.
Implementation Method 1
The handle section receives a rechargeable battery
Implementation Method 2
A reciprocal cycle linear actuator motor attaches to the handle section
Implementation Method 3
a rod of a piston connects to a reciprocal rod of the reciprocal cycle linear actuator motor
Data Source
AI summary
A portable joint-compound texture sprayer that delivers a joint-compound to a primed drywall to produce an orange peel textured appearance. The portable joint compound texture sprayer comprises of a handle section that has an operating switch. The handle section receives a rechargeable battery. A reciprocal cycle linear actuator motor attaches to the handle section. A piston tube section attaches to the front side of the handle section, a rod of a piston is housed within the piston tube section and the rod of the piston connects to a reciprocal rod of the reciprocal cycle linear actuator motor. A canister connector section attaches to the piston tube section. The canister connector receives a canister, the canister connector section attaches to the piston tube section and to a spray nozzle section that has a spray nozzle. A tube system carries the joint-compound from the canister to the spray nozzle.