公开(公告)号：US20110089251A1

公开(公告)日：2011-04-21

申请号：US12980653

申请日：2010-12-29

Applicant: Mohan M. Vijay ,  Wenzhuo Yan ,  Andrew Tieu ,  Baolin Ren

Inventor： Mohan M. Vijay ,  Wenzhuo Yan ,  Andrew Tieu ,  Baolin Ren

IPC: B05B17/06

CPC classification number: B05B3/02 ,  B05B1/083 ,  B05B12/06 ,  B05B17/0623 ,  B08B3/026 ,  B08B2203/0288 ,  B26D5/00 ,  B26F3/004 ,  Y10S239/04

Abstract: An ultrasonic waterjet apparatus (10) has a mobile generator module (20) and a high-pressure water hose (40) for delivering high-pressure water from the mobile generator module (20) to a hand-held gun (50) with a trigger and an ultrasonic nozzle (60). An ultrasonic generator in the mobile generator module (20) transmits high-frequency electrical pulses to a piezoelectric or magnetostrictive transducer (62) which vibrates to modulate a high-pressure waterjet flowing through the nozzle (60). The waterjet exiting the ultrasonic nozzle (60) is pulsed into mini slugs of water, each of which imparts a waterhammer pressure on a target surface. The ultrasonic waterjet apparatus (10) may be used to cut and de-burr materials, to clean and de-coat surfaces, and to break rocks. The ultrasonic waterjet apparatus (10) performs these tasks with much greater efficiency than conventional continuous-flow waterjet systems because of the repetitive waterhammer effect A nozzle with multiple exit orifices or a rotating nozzle (76) may be provided in lieu of a nozzle with a single exit orifice to render cleaning and de-coating large surfaces more efficient. A water dump valve (27) and controlling solenoid are located in the mobile generator module (20) rather than the gun (50) to make the gun lighter and more ergonomic.

Abstract translation: 一种超声波水射流装置（10）具有移动发生器模块（20）和用于将高压水从移动式发电机模块（20）传送到手持式枪（50）的高压水软管（40） 触发器和超声波喷嘴（60）。 移动发生器模块（20）中的超声波发生器将高频电脉冲发送到振动以调制流过喷嘴（60）的高压水射流的压电或磁致伸缩换能器（62）。 离开超声波喷嘴（60）的水射流被脉冲成微小的水堰，每个水头在目标表面上施加水锤压力。 超声水射流装置（10）可用于切割和去毛刺材料，清洁和除去表面，并破碎岩石。 超声波水射流装置（10）由于重复的水锤效应，以比常规连续流水喷射系统更高的效率执行这些任务。可以提供具有多个出口孔或旋转喷嘴（76）的喷嘴来代替具有 单个出口孔，以提高清洁和去除大表面的效率。 排水阀（27）和控制螺线管位于移动式发电机模块（20）而不是枪（50）中，以使枪更轻和更符合人体工程学。

公开(公告)号：US20100015892A1

公开(公告)日：2010-01-21

申请号：US12504188

申请日：2009-07-16

Applicant: Mohan M. Vijay ,  Andrew Hung Tieu ,  Wenzhuo Yan ,  Bruce R. Daniels

Inventor： Mohan M. Vijay ,  Andrew Hung Tieu ,  Wenzhuo Yan ,  Bruce R. Daniels

IPC: B24C1/00 ,  B05B1/08 ,  B05B17/06

CPC classification number: B05B17/0653 ,  B05B1/08 ,  B05B1/083 ,  B05B1/14 ,  B05B3/02 ,  B05B3/06 ,  B05B13/0636 ,  B05B17/0607 ,  B05B17/0623 ,  B05B17/063 ,  B05B17/0638 ,  B08B9/0495 ,  B24C3/32 ,  B24C3/325 ,  B24C5/04

Abstract: A method of prepping a surface using a high-frequency forced pulsed waterjet entails generating a high-frequency signal having a frequency f using a high-frequency signal generator, applying the high-frequency signal to a transducer having a microtip to cause the microtip of the transducer to vibrate to thereby generate a forced pulsed waterjet through an exit orifice of a nozzle having an exit orifice diameter d and a length L. The forced pulsed waterjet prepares the surface to within a predetermined range of surface roughness. The surface roughness is determined by selecting operating parameters comprising a standoff distance (SD), a traverse velocity VTR of the nozzle, a water pressure P, a water flow rate Q, a length-to-diameter (L/d) ratio, a microtip-to-orifice distance (a), the frequency f, and an amplitude A of the high-frequency signal.

Abstract translation: 使用高频强制脉冲水射流制备表面的方法需要使用高频信号发生器产生具有频率f的高频信号，将高频信号施加到具有微尖端的换能器以使微尖端 换能器振动，从而通过具有出口孔直径d和长度L的喷嘴的出口孔产生强制脉冲水射流。强制脉冲水射流将表面准备在预定的表面粗糙度范围内。 表面粗糙度通过选择包括间隔距离（SD），喷嘴的横动速度VTR，水压P，水流量Q，长径比（L / d）比， 微孔到孔的距离（a），频率f和高频信号的振幅A.

公开(公告)号：US11179732B2

公开(公告)日：2021-11-23

申请号：US15615078

申请日：2017-06-06

Applicant: VLN Advanced Technologies Inc.

Inventor： Mohan Vijay

IPC: B05B1/08 ,  B05B12/06 ,  B08B9/00 ,  B08B3/02 ,  B08B3/12 ,  B05B17/06 ,  B08B3/10 ,  B08B9/08 ,  B05B5/025 ,  B05B5/08 ,  B05B5/16 ,  E21C45/00

Abstract: An electrodischarge apparatus has a nozzle that includes a discharge chamber that has an inlet for receiving a liquid and an outlet. The apparatus has a first electrode extending into the discharge chamber that is electrically connected to one or more high-voltage capacitors. A second electrode is proximate to the first electrode to define a gap between the first and second electrodes. A switch causes the one or more capacitors to discharge across the gap between the electrodes to create a plasma bubble which expands to form a shockwave that escapes from the nozzle ahead of the plasma bubble.

公开(公告)号：US10532373B2

公开(公告)日：2020-01-14

申请号：US16217835

申请日：2018-12-12

Applicant: VLN Advanced Technologies Inc.

Inventor： Mohan M. Vijay ,  Andrew Hung Tieu ,  Wenzhuo Yan ,  Bruce R. Daniels

IPC: B24C3/32 ,  B08B9/049 ,  B24C5/04 ,  B05B1/14 ,  B05B17/00 ,  B05B17/06 ,  B05B1/08 ,  B05B3/06 ,  B05B13/06 ,  B05B3/02

Abstract: A method of prepping a cylindrical inner surface of a bore using a high-frequency forced pulsed waterjet apparatus entails generating a pressurized waterjet using a high-pressure water pump, generating a high-frequency signal using a high-frequency signal generator, applying the high-frequency signal to a transducer having a microtip to cause the microtip to vibrate to thereby generate the high-frequency forced pulsed waterjet, and rotating the rotatable ultrasonic nozzle inside the bore to prep the inner cylindrical surface of the bore using the high-frequency forced pulsed waterjets exiting from the angled exit orifices of the rotatable ultrasonic nozzle.

公开(公告)号：US08389066B2

公开(公告)日：2013-03-05

申请号：US12759302

申请日：2010-04-13

Applicant: Mohan M. Vijay

Inventor： Mohan M. Vijay

IPC: B05D1/02 ,  B05D1/10 ,  B05D1/12 ,  B05D3/12 ,  C23C4/02

CPC classification number: C23C24/04 ,  B05B1/083 ,  B05B7/205 ,  B05B17/0607 ,  C23C4/02

Abstract: An innovative method of prepping a surface entails entraining a coating particle into a fluid stream, directing the fluid stream containing the coating particle at the surface to be prepped to thereby prep the surface using the coating particle. The prepped surface can then be coated using the same or substantially similar coating particle. This method can be used with a continuous airjet, a forced pulsed airjet, a continuous waterjet or a forced pulsed waterjet as the carrier stream. This invention solves the problem of foreign blasting particles becoming embedded in the atomic matrix of the surface to be prepped, which can result in unpredictable behavior of the surface properties and even catastrophic failure.

Abstract translation: 制备表面的创新方法需要将涂层颗粒夹带到流体流中，将包含涂层颗粒的流体流引导到待准备的表面，从而使用涂层颗粒制备表面。 然后可以使用相同或基本相似的涂层颗粒涂覆预制表面。 该方法可以用连续喷气机，强制脉冲喷气发动机，连续喷水机或强制脉冲喷水机作为载体流。 本发明解决了外来喷砂颗粒嵌入待制备表面的原子基质中的问题，这可能导致表面性能的不可预测的行为甚至是灾难性的故障。

公开(公告)号：US08297540B1

公开(公告)日：2012-10-30

申请号：US13206786

申请日：2011-08-10

Applicant: Mohan M. Vijay

Inventor： Mohan M. Vijay

IPC: B05B1/08 ,  B05B1/00

CPC classification number: B05B1/08

Abstract: A reverse-flow nozzle generates a cavitating and/or pulsed jet of pressurized liquid. The nozzle includes a body having an inlet for receiving a stream of liquid and a main channel through the body extending from the inlet to an outlet. A flow-reversing channel in the nozzle diverts a portion of the liquid from the main channel to a point downstream of a mixing chamber. The channel returns the diverted liquid back into the mixing chamber as a reverse-flow jet relative to a main stream of liquid flowing toward the outlet. This reverse-flow jet interacts with the main stream to generate the cavitating jet that discharges from the outlet. By angling the reverse-flow jet relative to the main stream, a naturally pulsed jet may be generated.

Abstract translation: 逆流喷嘴产生加压液体的气蚀和/或脉冲喷射。 喷嘴包括具有用于接收液流的入口的主体和通过从入口延伸到出口的主体的主通道。 喷嘴中的流动反向通道将一部分液体从主通道转移到混合室下游的一点。 该通道相对于朝向出口流动的主要液流流将返回的液体作为逆流射流返回到混合室中。 该反流喷流与主流相互作用以产生从出口排出的气蚀射流。 通过相对于主流旋转逆流射流，可以产生自然脉冲喷射。

公开(公告)号：US07594614B2

公开(公告)日：2009-09-29

申请号：US10577718

申请日：2003-11-03

Applicant: Mohan M. Vijay ,  Wenzhuo Yan ,  Andrew Tieu ,  Baolin Ren

Inventor： Mohan M. Vijay ,  Wenzhuo Yan ,  Andrew Tieu ,  Baolin Ren

IPC: B05B1/08

CPC classification number: B05B3/02 ,  B05B1/083 ,  B05B12/06 ,  B05B17/0623 ,  B08B3/026 ,  B08B2203/0288 ,  B26D5/00 ,  B26F3/004 ,  Y10S239/04

Abstract: An ultrasonic waterjet apparatus (10) has a mobile generator module (20) and a high-pressure water hose (40) for delivering high-pressure water from the mobile generator module (20) to a hand-held gun (50) with a trigger and an ultrasonic nozzle (60). An ultrasonic generator in the mobile generator module (20) transmits high-frequency electrical pulses to a piezoelectric or magnetostrictive transducer (62) which vibrates to modulate a high-pressure waterjet flowing through the nozzle (60). The waterjet exiting the ultrasonic nozzle (60) is pulsed into mini slugs of water, each of which imparts a waterhammer pressure on a target surface. The ultrasonic waterjet apparatus (10) may be used to cut and de-burr materials, to clean and de-coat surfaces, and to break rocks. The ultrasonic waterjet apparatus (10) performs these tasks with much greater efficiency than conventional continuous-flow waterjet systems because of the repetitive waterhammer effect. A nozzle with multiple exit orifices or a rotating nozzle (76) may be provided in lieu of a nozzle with a single exit orifice to render cleaning and de-coating large surfaces more efficient. A water dump valve (27) and controlling solenoid are located in the mobile generator module (20) rather than the gun (50) to make the gun lighter and more ergonomic.

Abstract translation: 一种超声波水射流装置（10）具有移动发生器模块（20）和用于将高压水从移动式发电机模块（20）传送到手持式枪（50）的高压水软管（40） 触发器和超声波喷嘴（60）。 移动发生器模块（20）中的超声波发生器将高频电脉冲发送到振动以调制流过喷嘴（60）的高压水射流的压电或磁致伸缩换能器（62）。 离开超声波喷嘴（60）的水射流被脉冲成微小的水堰，每个水头在目标表面上施加水锤压力。 超声水射流装置（10）可用于切割和去毛刺材料，清洁和除去表面，并破碎岩石。 由于重复的水锤效应，超声水射流装置（10）执行这些任务比常规连续流水喷射系统效率高得多。 可以提供具有多个出口孔或旋转喷嘴（76）的喷嘴以代替具有单个出口孔的喷嘴，以更有效地清洁和去除大表面。 排水阀（27）和控制螺线管位于移动式发电机模块（20）而不是枪（50）中，以使枪更轻和更符合人体工程学。

公开(公告)号：US20210268534A1

公开(公告)日：2021-09-02

申请号：US17303111

申请日：2021-05-20

Applicant: VLN ADVANCED TECHNOLOGIES INC.

Inventor： Mohan M. Vijay ,  Andrew H. Tieu ,  Wenzhuo Yan ,  Bruce R. Daniels ,  Meishing M. Xu

IPC: B05B17/06 ,  B05B11/00 ,  B05B3/02 ,  B05B1/30 ,  B05B1/24 ,  B05B1/08

Abstract: A pulsed waterjet apparatus includes a water pump for generating a pressurized waterjet, an ultrasonic signal generator for generating an ultrasonic signal and an ultrasonic nozzle that includes an ultrasonic transducer for converting the ultrasonic signal into vibrations that pulse the pressurized waterjet to generate a pulsed waterjet, an exit orifice through which the pulsed waterjet exits, and an inflow inlet axially aligned with the exit orifice.

公开(公告)号：US10226776B2

公开(公告)日：2019-03-12

申请号：US14741101

申请日：2015-06-16

Applicant: VLN Advanced Technologies Inc.

Inventor： Mohan Vijay

IPC: B05B5/025 ,  B05B5/16 ,  B05B5/08 ,  B05B1/08 ,  B05B17/06

Abstract: An electrodischarge apparatus has a nozzle that includes a discharge chamber that has an inlet for receiving water and an outlet. The apparatus has a first electrode extending into the discharge chamber that is electrically connected to one or more high-voltage capacitors. A second electrode is proximate to the first electrode to define a gap between the first and second electrodes. A switch causes the one or more capacitors to discharge across the gap between the electrodes to create a plasma bubble which expands to form a shockwave that escapes from the nozzle ahead of the plasma bubble.

公开(公告)号：US09829283B2

公开(公告)日：2017-11-28

申请号：US15399074

申请日：2017-01-05

Applicant: VLN Advanced Technologies Inc.

Inventor： Mohan Vijay ,  Emilio Panarella ,  Meisheng Xu ,  Wenzhuo Yan ,  Bruce Daniels ,  Andrew Tieu

IPC: F41H11/16 ,  F41H11/136

CPC classification number: F41H11/16 ,  B05B17/0653 ,  F41H11/13 ,  F41H11/136 ,  F41H11/18

Abstract: A landmine-neutralization system has a vehicle including a water supply tank and an electrical power supply and an electro-discharge apparatus. The electro-discharge apparatus includes one or more electro-discharge nozzles each having a discharge chamber that has an inlet for receiving water from the water supply tank and an outlet, a first electrode extending into the discharge chamber and being electrically connected to one or more high-voltage capacitors that are connected to, and chargeable by, the electrical power supply, a second electrode proximate to the first electrode to define a gap between the first and second electrodes and a switch to cause the one or more capacitors to discharge across the gap between the electrodes to create a plasma bubble which expands to form a shockwave that escapes through one or more exit orifices of the one or more nozzles ahead of the plasma bubble to thereby neutralize a landmine.