Recyclable Dispensing Pump Using Pneumatic Actuator Return

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Traditional hand-operated dispensing pumps for fluids, such as bodywash and lotions, are difficult to recycle due to their metal components, which is a concern for environmentally conscious consumers.

Innovation Solution

A hand-operated dispensing apparatus made from recyclable materials, featuring a collar, fluid chamber, actuator, and air chamber, which allows for efficient dispensing of fluids while being fully recyclable.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional metal compression rings are used in dispensing pumps, then the pump effectiveness and reliability are maintained, but the recyclability and environmental compatibility deteriorate

Engineering Contradiction:
Improvepump effectivenessVSAvoidenvironmental harm from non-recyclable metal components
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The invention extracts and removes the metal compression ring from the dispensing pump system, replacing it with an air chamber that uses compressed air to provide the return force. This eliminates the harmful metal component while maintaining the essential function of actuator regeneration, directly resolving the contradiction between reliability and environmental compatibility.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The invention introduces a pneumatic system using an air chamber filled with compressed air to replace the mechanical metal spring. The compressed air provides the necessary force to return the actuator to its initial position, maintaining pump effectiveness while using environmentally friendly, recyclable materials throughout the system.

Inventive Principle:
Principle #29Pneumatics and hydraulics

2Strength

If metal components are used in dispensing pumps, then the mechanical strength and durability are ensured, but the difficulty of recycling increases

Engineering Contradiction:
Improvemechanical strengthVSAvoidrecyclability
Core Design Contradiction:
StrengthVSEase of manufacture

Solution Approach 1:

The invention achieves material homogeneity by making the entire dispensing pump system, including the air chamber and all components, constructible from the same recyclable plastic material. This uniform material composition simplifies recycling processes and increases ease of manufacture while maintaining sufficient mechanical strength through the pneumatic design.

Inventive Principle:
Principle #33Homogeneity

3Ease of manufacture

If an air chamber is introduced to replace metal springs, then recyclability is improved, but the device complexity increases

Engineering Contradiction:
ImproverecyclabilityVSAvoidstructural complexity
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The invention merges the air chamber with the existing pump housing structure, integrating the pneumatic system into the overall device design. This consolidation approach maintains recyclability benefits while minimizing the increase in device complexity by avoiding separate, additional components.

Inventive Principle:
Principle #5Merging (Combining)

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 recyclable dispensing apparatus maintains the effectiveness of traditional pumps while addressing environmental concerns by being fully recyclable, ensuring that all components can be reused or repurposed.

Implementation Method 1

Movement of the actuator from the first position to the second position can compress air within the air chamber. The compressed air within the air chamber can urge the actuator toward the first position.

Methodology Applied
Scientific EffectCompression: Compression

Implementation Method 2

The compressed air within the air chamber can urge the actuator toward the first position. Movement of the actuator from the second position to the first position can cause the fluid in the cavity to flow into the fluid chamber.

Methodology Applied
Scientific EffectPressure gradient: Pressure Gradient

Data Source

PatentUS20250161967A1Liquid Dispensing Apparatus
Publication Date: 2025.05.22 KENVUE BRANDS LLC
  • US20250161967A1 patent drawing
  • US20250161967A1 patent drawing
  • US20250161967A1 patent drawing

AI summary

A dispensing apparatus can be configured for dispensing material fluid from a container. The dispensing apparatus can include a collar, a fluid chamber, an actuator, and an air chamber. The collar can be configured to couple to a container defining a cavity configured to hold material. The fluid chamber can be fluid chamber coupled to the collar and configured to receive material from the cavity. The actuator can be movable relative to the collar from a first position to a second position. The actuator can be in fluid communication with the fluid chamber such that the actuator dispenses material from the fluid chamber as the actuator moves from the first position to the second position. The air chamber can be configured to urge the actuator from the second position to the first position.