Nested Hollow Pile With Dredge Pump For Easy Installation

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Solution Overview

Problem

Existing pile systems are difficult and time-consuming to install, difficult or impossible to remove, and lack versatility for various applications.

Innovation Solution

A pile system comprising two elongated hollow bodies inside each other, with a dredge pump and riser pipe for easy installation and removal, and modular design for versatility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional pile installation methods (percussion, hydraulic, vibratory drivers) are used, then piles can be installed into the ground, but the process is difficult and time-consuming

Engineering Contradiction:
Improveinstallation speedVSAvoidinstallation difficulty
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The pile is divided into multiple modular sections that can be assembled in stages. Each section has standardized connection interfaces allowing quick assembly without complex field operations, thereby reducing installation time and difficulty while maintaining structural integrity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The hollow pile structure allows nesting of smaller components or additional functional elements within the pile body during installation, enabling multi-functional deployment without requiring separate installation operations for each component

Inventive Principle:
Principle #7Nested doll (Nesting)

2Reliability

If traditional driven piles are installed into the ground, then load-bearing support is provided, but the piles are difficult or even impossible to remove

Engineering Contradiction:
Improveload-bearing capacityVSAvoidremoval capability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The pile incorporates expandable or adjustable anchoring mechanisms that can be activated or deactivated. During installation, anchors expand to secure the pile in place providing reliable load-bearing capacity; when removal is needed, the anchors can be retracted or released, enabling pile extraction without permanent ground fixation

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The modular design with standardized connections allows pile sections to be disassembled and recovered for reuse. Connection elements are designed for tool-free or minimal-tool release, enabling quick disassembly and recovery of pile components for relocation or reuse in other applications

Inventive Principle:
Principle #34Discarding and recovering

3Adaptability or versatility

If traditional pile designs are used, then specific applications are served, but the piles are not versatile for various applications

Engineering Contradiction:
Improveapplication rangeVSAvoiddesign flexibility
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The pile features standardized modular sections with universal connection interfaces that can accommodate different pile lengths, diameters, and configurations. Functional attachments such as anchors, expandable elements, and various end treatments can be applied to the same basic pile structure, enabling one design to serve multiple applications from offshore foundations to land-based structures without requiring entirely different pile types

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The pile incorporates adjustable and reconfigurable components including variable-length sections, adjustable anchoring systems, and modular functional attachments that can be configured during installation to match specific application requirements, providing design flexibility without requiring completely different pile designs for each application

Inventive Principle:
Principle #15Dynamics

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 easy installation and removal of piles, and allows for versatile use in various applications, including offshore installations.

Implementation Method 1

using a dredge pump attached to a first end of the second elongated hollow body to remove soil

Methodology Applied
Scientific EffectSuction: Suction

Data Source

PatentEP4004292B1Pile and method for installing a pile
Publication Date: 2025.06.18 ELOMATIC
  • EP4004292B1 patent drawingFigure 1
  • EP4004292B1 patent drawingFigure 2

AI summary

The present invention relates to a pile (100) that comprises a first elongated hollow body (101) having a first end and a second end, the first end being closed by an end member (103) provided with an opening (104), and a second elongated hollow body (102) having a first end and a second end, the second elongated hollow body (102) being arranged inside the first elongated hollow body (101) so that the first end of the second elongated hollow body (102) extends through the opening (104) and is attached to the end member (103). The invention also relates to a method for installing a pile (100) into the ground.