GB1311111A - Multi-pressure compressed air induction systems for use with low pressure pneumatic stowers in mines - Google Patents

Multi-pressure compressed air induction systems for use with low pressure pneumatic stowers in mines

Info

Publication number
GB1311111A
GB1311111A GB1311111DA GB1311111A GB 1311111 A GB1311111 A GB 1311111A GB 1311111D A GB1311111D A GB 1311111DA GB 1311111 A GB1311111 A GB 1311111A
Authority
GB
United Kingdom
Prior art keywords
stowers
mines
compressed air
air induction
induction systems
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.)
LITTLE P B M HOLYWELL ENG CO
Original Assignee
LITTLE P B M HOLYWELL ENG CO
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 LITTLE P B M HOLYWELL ENG CO filed Critical LITTLE P B M HOLYWELL ENG CO
Publication of GB1311111A publication Critical patent/GB1311111A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles
    • F04F5/466—Arrangements of nozzles with a plurality of nozzles arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles
    • F04F5/461—Adjustable nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

1311111 Jet pumps P B M LITTLE [trading as HOLYWELL ENG CO] 1 July 1971 [4 April 1970] 16050/70 Heading F1E An injector comprises an annular inducing air chamber 3 fed from a pipe 1 which is divided into two pipes 2 which enter the chamber tangentially. The area of the inducing fluid nozzle 5 is variable by axial adjustment, by means of screws 6, of the induction pipe 4 the end of which is open to atmosphere.
GB1311111D 1970-04-04 1970-04-04 Multi-pressure compressed air induction systems for use with low pressure pneumatic stowers in mines Expired GB1311111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1605070 1970-04-04

Publications (1)

Publication Number Publication Date
GB1311111A true GB1311111A (en) 1973-03-21

Family

ID=10070239

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1311111D Expired GB1311111A (en) 1970-04-04 1970-04-04 Multi-pressure compressed air induction systems for use with low pressure pneumatic stowers in mines

Country Status (1)

Country Link
GB (1) GB1311111A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177190B (en) * 1985-06-25 1989-07-26 Land Securities Air duct fittings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177190B (en) * 1985-06-25 1989-07-26 Land Securities Air duct fittings

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee