GB1320324A - Silencers for vacuum pumps - Google Patents

Silencers for vacuum pumps

Info

Publication number
GB1320324A
GB1320324A GB1320324DA GB1320324A GB 1320324 A GB1320324 A GB 1320324A GB 1320324D A GB1320324D A GB 1320324DA GB 1320324 A GB1320324 A GB 1320324A
Authority
GB
United Kingdom
Prior art keywords
chamber
silencers
sept
guide
vacuum pumps
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Edwards High Vacuum International Ltd
Original Assignee
Edwards High Vacuum International Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Edwards High Vacuum International Ltd filed Critical Edwards High Vacuum International Ltd
Publication of GB1320324A publication Critical patent/GB1320324A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/20—Silencing apparatus characterised by method of silencing by using movable parts having oscillating or vibrating movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Non-Positive Displacement Air Blowers (AREA)

Abstract

1320324 Silencers EDWARDS HIGH VACUUM INTERNATIONAL Ltd 4 Sept 1970 [5 Sept 1969] 44090/69 Heading F1B A vacuum pump silencer consists of a guide 6 having a cylindrical internal chamber the guide being mounted on a tubular exhaust gas outlet 2, a non-spherical weight 8 loosely fitted in the chamber for axial movement the chamber walls being perforated to permit the venting of gas under pressure admitted to the chamber. The perforations 10 may be slots.
GB1320324D 1969-09-05 1969-09-05 Silencers for vacuum pumps Expired GB1320324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4409069 1969-09-05

Publications (1)

Publication Number Publication Date
GB1320324A true GB1320324A (en) 1973-06-13

Family

ID=10431718

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1320324D Expired GB1320324A (en) 1969-09-05 1969-09-05 Silencers for vacuum pumps

Country Status (1)

Country Link
GB (1) GB1320324A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0845595A1 (en) * 1996-06-14 1998-06-03 Matsushita Refrigeration Company Hermetic compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0845595A1 (en) * 1996-06-14 1998-06-03 Matsushita Refrigeration Company Hermetic compressor
EP0845595A4 (en) * 1996-06-14 2001-03-21 Matsushita Refrigeration Hermetic compressor

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees