Fuel Additive Bottle with Disrupted Threading for Capless Tanks
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Solution Overview
Problem
Existing liquid fuel additive bottles struggle to efficiently dispense fuel additives into capless fuel-tank systems, particularly due to the depressible-tab configuration that prevents the insertion or removal of conventional fuel-additive bottles.
Innovation Solution
A fuel-additive dispensing bottle with a first neck and lip configured for insertion into capless fuel systems, featuring screw-cap threading with planar thread disruptions to prevent tab interference, and fluid-holding and measuring chambers with visible markings for precise volume control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fuel-additive bottles with elongated necks are used, then they can be inserted into conventional fuel-receiving apertures, but they cannot be effectively inserted into or removed from capless fuel-tank systems with depressible-tab configurations
Solution Approach 1:
The lip of the bottle is designed with specific local characteristics including an outer diameter within 0.750-1.19 inches and disrupted screw-cap threading with planar surfaces. These localized modifications enable the lip to interact properly with the depressible-tab mechanism of capless fuel-tank systems while maintaining compatibility with conventional apertures.
2Measurement precision
If precise volume control of fuel additive is required, then measuring markings are needed on the bottle, but this increases device complexity
Solution Approach 1:
The bottle incorporates pre-marked measuring indications on its surface that allow users to measure the required volume of fuel additive before dispensing. This preliminary measurement capability is integrated directly into the bottle structure, eliminating the need for separate measuring devices and simplifying the overall system.
Data Source
AI summary
A fuel-additive dispensing bottle used to dispense a liquid fuel additive into a capless fuel-tank system having a self-sealing mechanism triggered by tabs, the bottle having: a first neck having a circumference, an exterior surface, and an outside diameter between approximately 0.750 inches to approximately 1.19 inches; a first lip having a circumference, the first lip connected to a first distal end of the first neck, the first lip defining screw-cap threading configured for use with a capless fuel-tank system having a self-sealing mechanism triggered by tabs, wherein sections of the screw-cap threading are disrupted with a plurality of substantially planar thread disruptions, the plurality of substantially planar thread disruptions being positioned at regular intervals on the threading; the first neck and first lip configured for insertion into a capless fuel system having a self-sealing mechanism triggered by tabs; the first lip describing an orifice configured to allow fluid flow exit therefrom; a first fluid-holding and measuring chamber, wherein the first chamber has at least one visible fixed marking indicating a specified volume of fluid within the first chamber; a second fluid-holding and measuring chamber, wherein the second chamber has at least one visible fixed marking indicating a specified volume of fluid within the second chamber; the first chamber having a greater volume than the second chamber; a fluid conduit that provides a fluid-flow path from the first chamber to a side-fluid-flow entry orifice on the first neck, the fluid conduit having three portions: a first curved distal-end portion, a body portion, and a second curved distal-end portion, wherein the fluid-conduit body portion has a longitudinal axis that is substantially adjacent to and substantially parallel to at least 70% of a longitudinal length of an exterior side-edge portion of the first chamber, wherein the fluid-conduit first curved distal-end portion curves 80° to 100° relative to the fluid-conduit linear-body portion longitudinal axis, wherein the fluid-conduit second curved distal-end portion curves 80° to 100° relative to the fluid-conduit linear-body portion longitudinal axis, the fluid-conduit first curved distal-end portion being connected to a side-edge base portion of the first chamber and configured to allow fluid flow out of the first chamber and into the fluid-conduit first curved distal-end portion; the fluid-conduit second curved distal-end portion connected to the first neck at a side-fluid-flow entry orifice and configured to allow fluid flow out of fluid-conduit second curved distal-end portion and into the first neck; the second chamber connected to a second distal end of the first neck and configured to allow fluid flow out of the second chamber and into the first neck; the first neck having a longitudinal axis that is substantially parallel to the fluid-conduit linear-body portion longitudinal axis; and a second lip connected to a first distal end of a second neck, the second lip defining screw-cap threading, the second lip describing an orifice configured to allow fluid flow entry into the second lip; and the second neck connected to the first chamber and configured to allow fluid flow from the second neck into the first chamber.