GB542237A - Improvements in or relating to internal combustion engines provided with charging-pumps - Google Patents

Improvements in or relating to internal combustion engines provided with charging-pumps

Info

Publication number
GB542237A
GB542237A GB428840A GB428840A GB542237A GB 542237 A GB542237 A GB 542237A GB 428840 A GB428840 A GB 428840A GB 428840 A GB428840 A GB 428840A GB 542237 A GB542237 A GB 542237A
Authority
GB
United Kingdom
Prior art keywords
pump
valve
wall
pumps
clearance
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
GB428840A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB428840A priority Critical patent/GB542237A/en
Publication of GB542237A publication Critical patent/GB542237A/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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
    • F02M2700/33—Compressors for piston combustion engines
    • F02M2700/331—Charging and scavenging compressors

Abstract

542,237. Pumps; valves. KJELLBERG. C. F. G. March 7, 1940, No. 4288. [Classes 7 (ii) and 7 (vi)] In an engine, particularly of the two-stroke type, the exhaust ports d, d<SP>1</SP> are closed by the piston on the compression stroke, and an additional charge is then supplied to the working cylinder by a pump h controlled by a rotary slide valve 3 providing the end wall 2 of the pump chamber, the wall 2 being axially displaceable so as to vary the clearance of the pump and also to act as a relief valve. Scavenging-air is supplied from the crankcase through passages c, c<SP>1</SP>, and the additional charge of mixture from the pump 1 through ports 7, 7<SP>1</SP> controlled by the valve 3, which also controls the pump inlet 6, the end wall 2 being secured to the valve 3 and adjustable axially by means of a nut 14. If ignition should occur before the engine piston g has covered the port 7<SP>1</SP>, the wall 2 and valve 3 of the pump will be forced outwardly against the action of a spring so as to increase the pump clearance and reduce the risk of damage thereto. This is further reduced, if the wall 2 is moved far enough, by the escape of excessive pressure. The pump 1 may supply a pair of cylinders.
GB428840A 1940-03-07 1940-03-07 Improvements in or relating to internal combustion engines provided with charging-pumps Expired GB542237A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB428840A GB542237A (en) 1940-03-07 1940-03-07 Improvements in or relating to internal combustion engines provided with charging-pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB428840A GB542237A (en) 1940-03-07 1940-03-07 Improvements in or relating to internal combustion engines provided with charging-pumps

Publications (1)

Publication Number Publication Date
GB542237A true GB542237A (en) 1942-01-01

Family

ID=9774312

Family Applications (1)

Application Number Title Priority Date Filing Date
GB428840A Expired GB542237A (en) 1940-03-07 1940-03-07 Improvements in or relating to internal combustion engines provided with charging-pumps

Country Status (1)

Country Link
GB (1) GB542237A (en)

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