GB560735A - Improvements in scavenging and supercharging four-stroke internal combustion engines - Google Patents

Improvements in scavenging and supercharging four-stroke internal combustion engines

Info

Publication number
GB560735A
GB560735A GB23243A GB23243A GB560735A GB 560735 A GB560735 A GB 560735A GB 23243 A GB23243 A GB 23243A GB 23243 A GB23243 A GB 23243A GB 560735 A GB560735 A GB 560735A
Authority
GB
United Kingdom
Prior art keywords
air
passage
valve
auxiliary
stroke
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
GB23243A
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.)
Mirrlees Bickerton & Day Ltd
Original Assignee
Mirrlees Bickerton & Day 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 Mirrlees Bickerton & Day Ltd filed Critical Mirrlees Bickerton & Day Ltd
Priority to GB23243A priority Critical patent/GB560735A/en
Publication of GB560735A publication Critical patent/GB560735A/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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • 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
    • F02B2700/00—Measures relating to the combustion process without indication of the kind of fuel or with more than one fuel
    • F02B2700/02—Four stroke engines
    • F02B2700/021—Four stroke engines with measures for removing exhaust gases from the cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

560,735. Four-stroke engines. MIRRLEES, BICKERTON, & DAY, Ltd., and JACKSON, P. Jan. 6,1943, No. 232. [Classes 7 (ii) and 7 (vi)] In an engine in which a charge of air is introduced in two parts at different pressures, a shroud on the air valve temporarily blocks the air passage at the beginnings of the suction and compression strokes. An auxiliary air passage 11, Fig. 1, controlled by a valve 2, or a separate passage 18, Fig. 2, controlled by the main air valve 13, supply scavenging air to the cylinder 10 at the start of the induction stroke and supercharging air at the end of that stroke or the start of the compression stroke. A rocker arm 6 may actuate both valves simultaneously, but whereas the auxiliary valve 2 admits air to the cylinder immediately, a mask 4 on the main air valve prevents the passage of air therethrough until the valves have been opened sufficiently for a sleeve 8 on the auxiliary valve 2 to close the passage 11 ; as the valves close a second charge is delivered through the passage 11 as soon as the mask 4 closes the main air passage. As shown in Fig. 2, a sleeve 15 on the main air valve replaces the auxiliary air valve 2 and its sleeve 8. The air may be supplied from a blower driven from the cam-shaft or by an exhaust driven turbine which may operate in two stages, the first stage supplying the main air passage and the second stage of the compressor and the second stage delivering to the auxiliary air passage.
GB23243A 1943-01-06 1943-01-06 Improvements in scavenging and supercharging four-stroke internal combustion engines Expired GB560735A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB23243A GB560735A (en) 1943-01-06 1943-01-06 Improvements in scavenging and supercharging four-stroke internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23243A GB560735A (en) 1943-01-06 1943-01-06 Improvements in scavenging and supercharging four-stroke internal combustion engines

Publications (1)

Publication Number Publication Date
GB560735A true GB560735A (en) 1944-04-18

Family

ID=9700741

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23243A Expired GB560735A (en) 1943-01-06 1943-01-06 Improvements in scavenging and supercharging four-stroke internal combustion engines

Country Status (1)

Country Link
GB (1) GB560735A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271130A1 (en) * 1986-11-11 1988-06-15 Stork-Wärtsilä Diesel B.V. Four-stroke combustion engine with supercharging and method for operation thereof
CN102562293A (en) * 2010-12-17 2012-07-11 摩尔动力(北京)技术股份有限公司 Gas compressor with three kinds of valves

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271130A1 (en) * 1986-11-11 1988-06-15 Stork-Wärtsilä Diesel B.V. Four-stroke combustion engine with supercharging and method for operation thereof
CN102562293A (en) * 2010-12-17 2012-07-11 摩尔动力(北京)技术股份有限公司 Gas compressor with three kinds of valves
CN102562205A (en) * 2010-12-17 2012-07-11 摩尔动力(北京)技术股份有限公司 Three-valve gas compressor
CN102562293B (en) * 2010-12-17 2015-09-16 摩尔动力(北京)技术股份有限公司 Three valve gas compressors
CN102562205B (en) * 2010-12-17 2015-10-28 摩尔动力(北京)技术股份有限公司 Three valve gas compressors

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