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Solution Overview
Problem
Conventional carpet extractors lack a seamless integration of portable and base components for efficient fluid delivery and recovery, leading to inefficiencies in cleaning operations.
Innovation Solution
A surface cleaning apparatus with a detachable and portable extraction pod that can be used independently, featuring a suction hose, recovery tank, fluid delivery system, and electrical connections that align when mounted to a base, allowing for efficient fluid management and reduced noise through directed air exhaust.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the extractor is designed as a complete integrated unit, then fluid delivery and recovery systems are seamlessly integrated, but portability and ease of storage are reduced
Solution Approach 1:
The extractor is divided into two main segments: a base unit containing the power source, motor, and control systems, and a removable pod containing the fluid delivery and recovery systems. This segmentation allows the fluid systems to be seamlessly integrated when assembled while enabling easy separation for portability and storage.
2Reliability
If electrical connections are permanently fixed, then electrical interconnection is reliable, but ease of assembly and disassembly is reduced
Solution Approach 1:
The electrical connection system transitions from a static permanent connection to a dynamic reusable connection. The electrical contacts are designed with spring-loaded mechanisms that automatically engage when the pod is placed on the base and disengage when separated, providing reliable electrical interconnection during operation while enabling easy assembly and disassembly.
3Reliability
If the cover is fixed in position, then electrical connections are protected, but accessibility for connection is reduced
Solution Approach 1:
The cover is designed as a movable component that automatically transitions between closed and open positions. When the pod is placed on the base, the cover is pushed open by the engagement force, exposing the electrical connections for automatic contact. When separated, the cover returns to its closed position to protect the connections, providing both protection and accessibility without manual intervention.
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 cleaning operations by ensuring seamless fluid delivery and recovery, with reduced noise levels due to directed air exhaust, and facilitates easy maintenance and operation as a portable or stationary device.
Implementation Method 1
a source of suction in fluid communication with the working air conduit to draw the cleaning fluid from the surface to be cleaned and through the nozzle and the working air conduit to the recovery tank
Data Source
AI summary
An extraction cleaner for a floor surface comprises a portable extractor and a base adapted to be moved to perform a cleaning operation on the floor surface when the portable extractor is operably mounted to the base. The portable extractor includes a suction hose for manually suctioning fluid from the floor surface, a recovery tank interconnected to the suction hose for receiving recovered fluid from the floor surface, and a fluid delivery system for dispensing a cleaning fluid onto the floor surface. One or more connections are made between the base and components of the portable extractor when the portable extractor is operably mounted to the base.