Fluid Sprayer Pump Assembly with Movable Container Support

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Solution Overview

Problem

Conventional fluid sprayers often require users to transfer paint between containers of different sizes, leading to inefficiencies, spillage, and waste, as they are typically designed to accommodate only a single container size, limiting user mobility and flexibility in painting applications.

Innovation Solution

A portable fluid sprayer with a pump assembly housing and a frame assembly that includes movable fluid container support features, allowing for the accommodation of various container sizes and enabling the inlet end of the fluid intake conduit to be positioned within the container, reducing the need for paint transfer and enhancing user mobility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the fluid sprayer is designed to accommodate only a single container size, then the device structure is simple, but user mobility and flexibility are limited

Engineering Contradiction:
Improvecontainer size adaptabilityVSAvoidsupport mechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The support mechanism incorporates movable and adjustable components that allow the fluid sprayer to dynamically adapt to different container sizes. The support feature can be repositioned or reconfigured to accommodate various container dimensions, transforming a static single-size design into a dynamic multi-size compatible system without requiring complete structural redesign

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The support mechanism is designed with universal characteristics that enable it to serve multiple container sizes and types. By incorporating adjustable support surfaces, movable positioning elements, and flexible mounting options, the same structural components can accommodate diverse container configurations, making the support system universally applicable rather than size-specific

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If the inlet end of the fluid intake conduit is not positioned within the container, then the device structure is simpler, but paint flow consistency is compromised

Engineering Contradiction:
Improvepaint flow consistencyVSAvoidsupport mechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The support mechanism is designed to preliminarily position the container and inlet end in the correct configuration before operation begins. By pre-establishing the proper positioning relationship between the fluid intake conduit inlet end and the container through adjustable support features, the system ensures consistent paint flow is achieved automatically when the container is placed, eliminating the need for complex real-time adjustment mechanisms during operation

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If users transfer paint between containers of different sizes, then container size flexibility is achieved, but waste and spillage increase

Engineering Contradiction:
Improvecontainer size flexibilityVSAvoidpaint waste and spillage
Core Design Contradiction:
Adaptability or versatilityVSLoss of substance

Solution Approach 1:

The fluid sprayer system provides self-service functionality by automatically adapting to different container sizes through its adjustable support mechanism. The system serves itself by maintaining proper inlet end positioning within various container types without requiring user intervention for paint transfer, thereby eliminating the waste and spillage associated with manual transfer operations while preserving container size flexibility

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8979001B2Portable fluid sprayer with fluid container support features
Publication Date: 2015.03.17 WAGNER SPRAY TECH CORP
  • US8979001B2 patent drawing
  • US8979001B2 patent drawing
  • US8979001B2 patent drawing

AI summary

The present disclosure generally relates to fluid sprayers and more specifically, but not by limitation, to a portable airless fluid sprayer including fluid container support features configured to accommodate fluid containers of different sizes. In one example, a fluid sprayer pump assembly is provided and includes a pump assembly housing and a fluid intake conduit configured to provide a fluid path to the pump assembly housing. The fluid sprayer pump assembly also includes a frame assembly supporting the pump assembly housing and including a plurality of fluid container support features. Each of the fluid container support features is configured to accommodate a respective fluid container such that an inlet end of the fluid intake conduit is positionable within the respective fluid container. In one example, a fluid container support feature includes a fluid container holder pivotably attached to the frame assembly and movable between first and second positions.