Manual Fuel Pump with Dynamo for Power Outage Dispensing
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Solution Overview
Problem
During natural disasters that cause electrical power outages, conventional fueling stations are unable to dispense fuel, hindering rescue and recovery efforts, as they rely on electrical power to operate.
Innovation Solution
A manual fuel pump system that includes a pump, a fuel reservoir, a pulley system, a crank arm mechanism, and a dynamo to generate power for downstream devices, allowing for the manual dispensing of fuel from an auxiliary reservoir when electrical power is cut off, with a design that minimizes friction and provides ergonomic operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fuel pumping systems are used, then fuel can be dispensed efficiently during normal operation, but they become completely non-functional during electrical power outages
Solution Approach 1:
The system transitions from a static electrically-powered pump to a dynamic system that can operate in multiple modes: electrically-powered mode during normal conditions and manual cranking mode during power outages. The pump mechanism itself remains the same, but its power source becomes adaptable, allowing the system to respond to changing environmental conditions (presence or absence of electrical power).
Solution Approach 2:
The system changes its operational parameters based on power availability. When electrical power is available, the pump operates at full automated capacity. When power is lost, the system switches to manual operation where human physical input replaces electrical energy. This parameter change allows continuous operation across different energy input conditions.
2Reliability
If manual cranking mechanism is added to enable operation during power outages, then reliability during outages is improved, but device complexity increases
Solution Approach 1:
The existing electrical pump system is enhanced with a manual cranking mechanism that serves multiple functions: it can directly drive the pump during power outages, and it also charges the battery through the dynamo during normal operation or outages. This multi-functionality justifies the added complexity by providing both emergency operation capability and power replenishment capability.
Solution Approach 2:
The manual cranking mechanism is merged with the existing electrical system through the dynamo-battery arrangement. The cranking shaft connects to both the pump mechanism and the dynamo, creating an integrated system where mechanical input serves dual purposes: direct pump operation and electrical energy generation. This merging reduces overall system complexity compared to having separate manual and electrical systems.
3Use of energy by moving object
If a dynamo and battery system is added to capture and store energy from manual cranking, then energy utilization is improved, but device complexity and initial cost increase
Solution Approach 1:
The system provides self-service by using the manual cranking energy to charge its own battery through the dynamo. During power outages, the user cranks the mechanism to both operate the pump and recharge the battery for future use. This self-charging capability eliminates the need for external charging infrastructure and allows the system to sustain operation over extended periods without additional energy input.
Solution Approach 2:
The system converts the harmful effect of power outages (inability to operate) into a beneficial opportunity: during outages, manual cranking not only operates the pump but also recharges the battery. The lack of electrical power becomes a catalyst for manual energy input, which then serves dual purposes of operation and energy storage replenishment.
4Force
If pulley system with belt is used to transmit mechanical power, then mechanical advantage is improved, but friction losses increase
Solution Approach 1:
The system optimizes the pulley-belt parameters to minimize friction losses while maintaining mechanical advantage. This includes selecting appropriate pulley diameters, belt materials with low coefficient of friction, and proper tensioning to ensure efficient power transmission. The parameters are chosen to balance the need for force multiplication against the penalty of frictional energy loss.
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 quick and effective dispensing of fuel during power outages, providing a reliable means for emergency fuel access and powering essential devices like lights through the stored energy in a deep cycle battery.
Implementation Method 1
a dynamo which is mounted to a support structure such that it is in-line with the belt and is driven thereby
Implementation Method 2
The drive pulley and the pump pulley may be located to provide a nearly frictionless transfer of power via the belt
Implementation Method 3
The variable power produced by the dynamo may be fed into a deep cycle battery that stores power so that light will be provided within the enclosure at all times
Data Source
AI summary
A manual fuel pump device comprises a crank operated fuel pump in mechanical communication with a spring-loaded hand crank by means of a pump, pulley, and belt system. A dynamo is in mechanical communication with the belt thereby generating a useable electrical current. The device is configured to be an additional component of industry grade fuel dispenser permitting a user to operate the dispenser in the event of an electrical outage.