Published Technical Disclosure Archive

Enhanced Specialized Variations & Niche Solutions Technical Implementation

Publication ID: 24-11858171_0009_PTD
Published: October 29, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Enhanced Specialized Variations & Niche Solutions Technical Implementation,” Published Technical Disclosure No. 24-11858171_0009_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858171_0009_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,858,171.

Summary of the Inventive Concept

An improved approach to specialized variations & niche solutions that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but specialized variations & niche solutions presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements specialized variations & niche solutions enhancements while maintaining compatibility with the original patent's architecture. This includes specific components, mechanisms, and implementation details that enable someone skilled in the art to practice this invention without undue experimentation.

Novelty and Inventive Step

Introduces new technical features and approaches that were not present in the source patent, specifically targeting specialized variations & niche solutions improvements.

Alternative Embodiments and Variations

Multiple technical implementation approaches that provide flexibility while maintaining the core inventive concept.

Potential Commercial Applications and Market

Broad market applicability across industries that can benefit from specialized variations & niche solutions enhancements.

CPC Classifications

SectionClassGroup
B B28 B28C5/4213
B B28 B28C5/4217
F F15 F15B11/17
F F15 F15B7/006
F F15 F15B2211/20515
F F15 F15B2211/20523
F F15 F15B2211/20538
F F15 F15B2211/20576
F F15 F15B2211/327

Field of Art

Mechanical engineering focused on fluid power systems, vehicle drive mechanisms, and specifically concrete mixer vehicle drive systems with variable displacement hydraulic components

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with expertise in hydraulic power transmission systems, vehicle drivetrain design, and specialized industrial vehicle components, possessing knowledge of variable displacement motors, pump-motor interactions, and mechanical power transfer mechanisms

Obviousness Rationale

A PHOSITA would recognize that the published technical disclosure represents predictable variations and design extensions of the source patent's core hydraulic drive system architecture. The disclosed variations leverage known techniques in hydraulic system design to provide alternative implementation strategies that maintain fundamental functional compatibility with the original patent's core technical concept. These variations would be considered routine engineering modifications within the standard problem-solving approach of a skilled practitioner in vehicle drive system design.

Obvious Combinations & Variations

Source Patent Element
Variable displacement pump mechanically coupled to vehicle engine
PTD Variation
Enhanced pump displacement range and alternative coupling mechanisms
Obviousness Reasoning
Modifying pump displacement characteristics represents a predictable design optimization known to those skilled in hydraulic power transmission, with finite and well-understood parameter adjustments
Source Patent Element
Control system managing engine and drum speed interactions
PTD Variation
Extended control logic for specialized niche vehicle applications
Obviousness Reasoning
Adapting control system parameters for specific operational contexts constitutes a standard engineering design choice with expected incremental improvements
Source Patent Element
Hydraulic motor fluidly coupled to variable displacement pump
PTD Variation
Alternative motor configuration with expanded speed range parameters
Obviousness Reasoning
Reconfiguring motor characteristics within known performance envelopes represents a routine engineering modification with predictable system behavior
Source Patent Element
Drive system with overall drive ratio between 30:1 and 40:1
PTD Variation
Refined drive ratio implementations with expanded operational ranges
Obviousness Reasoning
Incrementally adjusting drive system ratios falls within standard design optimization techniques practiced by skilled hydraulic system engineers
Source Patent Element
Concrete mixer vehicle drive mechanism
PTD Variation
Specialized drive system adaptations for alternative industrial vehicle configurations
Obviousness Reasoning
Extending core drive system principles to related technical domains represents a standard approach of generalizing successful mechanical design concepts
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the published technical disclosure derived from US Patent 11858171 demonstrates that the claimed variations would have been obvious to a person having ordinary skill in the art at the time of invention, as the disclosed technical modifications represent predictable extensions of known hydraulic drive system design principles, employing standard engineering problem-solving techniques within a finite set of foreseeable design alternatives.

Original Patent Information

Patent NumberUS 11,858,171
TitleMixer drum drive with variable displacement motor
Assignee(s)Oshkosh Corporation