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Low ice pneumatic motor exhaust muffler

An exhaust muffler, air motor technology, used in exhaust devices, mufflers, engine components, etc.

Active Publication Date: 2016-02-17
GRACO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If ice is allowed to accumulate, it may inhibit or stop the operation of the motor

Method used

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  • Low ice pneumatic motor exhaust muffler
  • Low ice pneumatic motor exhaust muffler
  • Low ice pneumatic motor exhaust muffler

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0012] exist figure 1 A front view of positive displacement air motor 10 is shown in FIG. exist figure 1 A motor 10 , a muffler 12 , a fluid source 14 , a fluid inlet 16 , a fluid destination 18 , a fluid outlet 20 , a compressed gas source 22 and a pneumatic inlet 24 are shown.

[0013] Motor 10 is connected to fluid source 14 at fluid inlet 16 and to fluid destination 18 at fluid outlet 20 . The motor 10 is also connected to a source of compressed gas 22 at a pneumatic inlet 24 . A muffler 12 is attached to the outside of the motor 10 .

[0014] In the illustrated embodiment, the motor 10 is a double diaphragm pump. Thus, motor 10 uses compressed gas from compressed gas source 22 to pump fluid from fluid source 14 to fluid destination 18 . As part of the duty cycle of the motor 10 , the compressed gas used is exhausted to the atmosphere through the muffler 12 .

[0015] figure 1 Described in is one embodiment of the invention, with alternative embodiments. For exampl...

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PUM

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Abstract

A muffler for a positive displacement pneumatic motor includes a case, an inlet, a diffuser, a pathway, and sound absorbing material. The inlet and the diffuser are attached to the case. The pathway extends between the inlet and the diffuser and allows ice to travel through the muffler. The sound absorbing material is positioned in the pathway and includes more than one duct through which gas passes.

Description

[0001] This application is a divisional application of the PCT patent application PCT / US2011 / 000881 entered into China on November 16, 2012, and the national application number is 201180024449.6. Background technique [0002] Positive displacement air motors are used in a wide variety of applications due to, among other reasons, their inherent ease of use, constant force output, safe operation in explosive atmospheres. Positive displacement air motors function by supplying compressed air to a piston or diaphragm, which then pushes against a load such as a pump. At the end of each stroke, the motor must expel high-pressure air and move in the opposite direction to repeat the cycle. This uncontrolled expansion of air at the end of the motor stroke can produce a considerable and sometimes dangerous amount of noise. The exhaust gases are also cooled by the expansion process. Any moisture present in the gas condenses and freezes, creating ice. If ice is allowed to accumulate, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/00F04B35/02F04B53/00F04B45/053
CPCF04B35/00F04B39/0027F04B45/0533F04B53/001F04B43/1136F04B45/0536F04B43/086F04B45/053F01N1/10F01N1/24F01N3/02F01N13/00F01N13/08F01N13/10F04B39/0055F15B21/008
Inventor 蒂姆西·S·罗曼亚当·K·科林斯
Owner GRACO INC
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