公开(公告)号：US5445325A

公开(公告)日：1995-08-29

申请号：US92698

申请日：1993-07-16

Applicant: Randall R. White

Inventor： Randall R. White

IPC: B05B7/20

CPC classification number: B05B7/201

Abstract: A method and apparatus are provided for operating a small diameter thermal spray gun to thermal spray a coating onto a substrate. A fuel is burned within a combustion chamber of a small diameter thermal spray gun to generate a high energy flow stream, into which a coating material is injected. The combustion chamber includes an inner sleeve with cooling ports which pass cooling air laterally therethrough. A flow nozzle directs the high energy flow stream towards the substrate. The flow nozzle transfers a heat flow from a first portion of the high energy flow stream to a second portion of the high energy flow stream, and provides a thermal barrier to retain heat within the high energy flow stream. The small diameter thermal spray gun may be tuned for operating with a wide variety of coating materials by replacing the combustion chamber inner sleeve and the flow nozzle thermal transfer member with alternative members.

Abstract translation: 提供了一种用于操作小直径热喷枪以将涂层热喷涂到基底上的方法和装置。 在小直径热喷枪的燃烧室内燃烧燃料以产生高能量流动流，涂覆材料被注入其中。 燃烧室包括具有冷却端口的内套筒，其横向穿过冷却空气。 流动喷嘴将高能量流动流引向衬底。 流动喷嘴将热流从高能量流的第一部分传递到高能量流的第二部分，并提供热障以将热量保持在高能量流动流内。 可以通过用替代构件替换燃烧室内套筒和流动喷嘴热传递构件来调节小直径热喷枪以用于各种涂层材料的操作。

公开(公告)号：US5520334A

公开(公告)日：1996-05-28

申请号：US220971

申请日：1994-03-31

Applicant: Randall R. White

Inventor： Randall R. White

IPC: B05B7/20

CPC classification number: B05B7/201

Abstract: A method and apparatus are provided for operating a small diameter thermal spray gun to thermal spray a coating onto a substrate. A liquid fuel and regeneratively heated air are swirled together within a mixing chamber, passed through a restricter plate orifice, and then passed into the combustion chamber to atomize the liquid fuel and mix the liquid fuel with the regeneratively heated air. The liquid fuel is then burned within a combustion chamber of a small diameter thermal spray gun to generate a high energy flow stream, into which a coating material is injected. The combustion chamber includes an inner sleeve with cooling ports which pass cooling air laterally therethrough. A flow nozzle directs the high energy flow stream towards the substrate. The flow nozzle transfers a heat flow from a first portion of the high energy flow stream to a second portion of the high energy flow stream, and provides a thermal barrier to retain heat within the high energy flow stream. The small diameter thermal spray gun may be tuned for operating with a wide variety of coating materials by replacing the combustion chamber inner sleeve and the flow nozzle thermal transfer member with alternative members.

Abstract translation: 提供了一种用于操作小直径热喷枪以将涂层热喷涂到基底上的方法和装置。 将液体燃料和再生加热的空气在混合室内一起旋转，通过限制器板孔，然后通入燃烧室以雾化液体燃料并将液体燃料与再生加热的空气混合。 然后将液体燃料在小直径热喷枪的燃烧室内燃烧，以产生高能量流动流，涂覆材料被注入其中。 燃烧室包括具有冷却端口的内套筒，其横向穿过冷却空气。 流动喷嘴将高能量流动流引向衬底。 流动喷嘴将热流从高能量流的第一部分传递到高能量流的第二部分，并提供热障以将热量保持在高能量流动流内。 可以通过用替代构件替换燃烧室内套筒和流动喷嘴热传递构件来调节小直径热喷枪以用于各种涂层材料的操作。

公开(公告)号：US5405085A

公开(公告)日：1995-04-11

申请号：US7264

申请日：1993-01-21

Applicant: Randall R. White

Inventor： Randall R. White

IPC: B05B7/20

CPC classification number: B05B7/201

Abstract: A method and apparatus for thermal spraying a coating onto a substrate is provided wherein a coating material is transported within a high energy flow stream. A high energy flow stream, which includes the coating material, is generated within the thermal spray gun. A flow nozzle having a barrel directs the high energy flow stream towards the substrate. The flow nozzle includes a thermal transfer member for absorbing a heat flow from a first portion of the high energy flow stream, and transferring the heat flow back to a second portion of the high energy flow stream. Additionally, the thermal member provides a thermal barrier for retaining heat within the high energy flow stream by absorbing and retaining sufficient heat within the thermal flow nozzle so that the temperature gradient between the high energy flow stream and the flow nozzle is reduced, which reduces the amount of heat transferred therebetween. Further, the flow nozzle thermal transfer member may be replaced with alternative thermal transfer members to allow tuning of the thermal spray gun for use with a wide variety of coating materials.

Abstract translation: 提供了一种用于将涂层热喷涂到基底上的方法和设备，其中涂层材料在高能量流动流中输送。 在热喷枪内产生包括涂层材料的高能量流动流。 具有桶的流动喷嘴将高能量流动流引向衬底。 流动喷嘴包括用于吸收来自高能量流动流的第一部分的热流的热传递构件，以及将热流传递回高能量流的第二部分。 此外，热构件提供热障，用于通过在热流喷嘴内吸收和保留足够的热量来保持高能流动流中的热量，使得高能量流和流喷嘴之间的温度梯度减小， 在它们之间传递的热量。 此外，流动喷嘴热转印构件可以替换为替代的热转印构件，以允许调整热喷枪以用于各种各样的涂层材料。