GB770409A - Gas generator - Google Patents

Gas generator

Info

Publication number
GB770409A
GB770409A GB1129654A GB1129654A GB770409A GB 770409 A GB770409 A GB 770409A GB 1129654 A GB1129654 A GB 1129654A GB 1129654 A GB1129654 A GB 1129654A GB 770409 A GB770409 A GB 770409A
Authority
GB
United Kingdom
Prior art keywords
engine
open
ports
exhaust ports
compressor
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
GB1129654A
Inventor
Horace Sinclair Rainbow
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.)
Armstrong Siddeley Motors Ltd
Original Assignee
Armstrong Siddeley Motors 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 Armstrong Siddeley Motors Ltd filed Critical Armstrong Siddeley Motors Ltd
Priority to GB1129654A priority Critical patent/GB770409A/en
Publication of GB770409A publication Critical patent/GB770409A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D15/00—Varying compression ratio
    • F02D15/04—Varying compression ratio by alteration of volume of compression space without changing piston stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/32—Engines with pumps other than of reciprocating-piston type
    • F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
    • F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C5/00—Gas-turbine plants characterised by the working fluid being generated by intermittent combustion
    • F02C5/06—Gas-turbine plants characterised by the working fluid being generated by intermittent combustion the working fluid being generated in an internal-combustion gas generated of the positive-displacement type having essentially no mechanical power output
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/20—Arrangements of devices for charging

Abstract

770,409. Internal-combustion engine gas generators. ARMSTRONG SIDDELEY MOTORS, Ltd. April 12, 1955, No. 11296/54. Class 7 (1). A gas generator comprises a compressor and a two-stroke fuel injection engine arranged mainly to drive the compressor the output of which is supplied to the engine as its charge of air in which the inlet ports of the engine are open for between 142‹ and 152‹ of the cycle and the exhaust ports of the engine are open for between 177‹ and 187‹ of the cycle and the areas of the ports are between 1.8 and 2.2 times the areas of the corresponding ports of the same engine when conventionally arranged to produce solely shaft horse power whereby the gas generator provides a very much greater gas flow for example 50 per cent. more than the same engine conventionally arranged to produce solely shaft horse power. The exhaust ports are arranged to open more than 90‹ before bottom dead centre and to close more than 90‹ after bottom dead centre. The inlet ports may be open for 147‹ of the cycle and exhaust ports may be open for 182‹ of the cycle the exhaust ports opening approximately 17¢‹ before the inlet ports open. The engine inlet ports may have a maximum open area of approximately 44 sq. cms. and the engine exhaust ports may have a maximum open area of approximately 39 sq. cms. for an engine of 2¢ litres capacity. The generator may comprise a four cylinder in line engine and the compressor a two stage centrifugal compressor. The compressor outlet is connected by volute passage 23 to a chamber 24 which is in turn connected by a sloping passage 26 to the inlet ports. Exhaust ports 27 are connected to an outlet conduit 28. The compression ratio is dependent on the output pressure by means of a plug 30. The mechanism is described in Specifications 752,895 and 757,639. The exhaust ports may be open for only 166‹ and the inlet ports for 134‹. The exhaust ports may open 16‹ before the inlet ports. The invention is particularly applicable to a gas generator for driving an unchoked turbine as disclosed in Specification 770,408.
GB1129654A 1954-04-20 1954-04-20 Gas generator Expired GB770409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1129654A GB770409A (en) 1954-04-20 1954-04-20 Gas generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1129654A GB770409A (en) 1954-04-20 1954-04-20 Gas generator

Publications (1)

Publication Number Publication Date
GB770409A true GB770409A (en) 1957-03-20

Family

ID=9983617

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1129654A Expired GB770409A (en) 1954-04-20 1954-04-20 Gas generator

Country Status (1)

Country Link
GB (1) GB770409A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449489A (en) * 1981-05-21 1984-05-22 Williams Gerald J Varying geometric compression ratio engine
WO2017186231A1 (en) * 2016-04-28 2017-11-02 Peter Maier Drive assembly, particularly for a motor vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449489A (en) * 1981-05-21 1984-05-22 Williams Gerald J Varying geometric compression ratio engine
WO2017186231A1 (en) * 2016-04-28 2017-11-02 Peter Maier Drive assembly, particularly for a motor vehicle

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