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Power conversion device

a power conversion device and power conversion technology, applied in the direction of gearing control, gearing elements, gearing packaging, etc., can solve the problems of increasing parasitic losses, noise levels, and prohibitive packaging and cost of the device, and achieve the effect of maintaining the practical level of efficiency

Active Publication Date: 2020-11-12
HYDRACHARGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This solution provides a high-efficiency, cost-effective means to maintain constant engine intake pressure across all engine speeds, reducing power losses and turbo lag, while offering a friction-free CVT function, thereby enhancing fuel efficiency and performance.

Problems solved by technology

Packaging and costs of the device appear to be prohibitive.
One potential drawback of the mechanism is the requirement for the planetary gear set to be rapidly running backward when in the quiescent state potentially raising parasitic losses and noise levels.

Method used

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Examples

Experimental program
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Embodiment Construction

[0051]Referring to FIG. 1, an overall system view shows a Drive Pulley 1 with shafts 2 and 3 projecting in either direction. Coming from the pulley 1 to the right is a shaft 3 driving a pump 4 which feeds flow through a conduit 5 to and from a valve block 6 with a reservoir 7.1 on a return line 8 and from the other side of the pulley 1 extends drive shaft 2 affixed to a valve cylinder 7 rotating within a cylinder block 8. The pulley 1 is driven by an accessory belt (not shown) and turns at a speed roughly 2× that of the associated engine. Rigidly attached to the valve cylinder 7 are a group of parts clamped together by bolts 9. These parts which are bolted to the valve cylinder 7 comprise a rotating motor stack 10 in which is nested a hydraulic motor. An output shaft 11 of the hydraulic motor turns independently either faster or slower than the rotating motor stack 10. The output shaft 1 in turn drives a step up gearing mechanism 12 housed in a gear box 13 which may be typically of ...

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Abstract

A power conversion device in the form of a compressor drive constitutes a three channel power sharing transmission which allows power input and / or output from shafts on two of the channels along with hydraulic, electric or potentially pneumatic power input and / or output from the third channel. Varying the input and / or output of hydraulic, electric or pneumatic flow provides a continuously variable transmission function. Several embodiments of the power conversion device are described to drive a supercharger for an internal combustion engine providing a variable ratio coupling allowing effective use of a centrifugal type compressor across a broad range of operational engine speeds.

Description

RELATED PATENT APPLICATION[0001]This application claims priority to U.S. provisional patent application Ser. No. 61 / 999,731 filed 4 Aug. 2014, entitled “Power Conversion Device” and U.S. utility patent application Ser. No. 14 / 817,270 filed 4 Aug. 2015, entitled “Power Conversion Device”, soon to issue as U.S. Pat. No. 9,915,192, on 13 Mar. 2018.BACKGROUND[0002]The planetary gear set has long been held as the primary means to provide the function of a power sharing transmission. The three channels of power input / output are well known to be the ring, planet carrier and sun. Power can be input / output on each of the three channels lending itself to the fundamental mechanism used for automatic transmission functions where locking one of each of the members to ground allows gear ratio changes as well as to blend / mingle the internal combustion engine and electric drive motor(s) for effective use in hybrid vehicle powertrains. In the case of the planetary set-up used in hybrid powertrains, ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F16H47/04F16H61/4035F16H61/42F02B39/08F02B39/04
CPCF16H47/04F02B39/08F16H61/42F16H61/4035F02B39/04
Inventor BUSCHUR, JEFFREY J.
Owner HYDRACHARGE