GB1282606A - Improvements in internal combustion engines - Google Patents

Improvements in internal combustion engines

Info

Publication number
GB1282606A
GB1282606A GB55536/69A GB5553669A GB1282606A GB 1282606 A GB1282606 A GB 1282606A GB 55536/69 A GB55536/69 A GB 55536/69A GB 5553669 A GB5553669 A GB 5553669A GB 1282606 A GB1282606 A GB 1282606A
Authority
GB
United Kingdom
Prior art keywords
valve
spring
nov
closed
bias means
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
GB55536/69A
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.)
Tecumseh Products Co
Original Assignee
Tecumseh Products 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 Tecumseh Products Co filed Critical Tecumseh Products Co
Publication of GB1282606A publication Critical patent/GB1282606A/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
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • F01L1/462—Valve return spring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

1282606 Valve loading TECUMSEH PRODUCTS CO 13 Nov 1969 [14 Nov 1968] 55536/69 Heading F1B In an I, C. engine including bias means for urging an inlet or exhaust valve 14, 16, Fig. 1 closed and for biasing the valve train into tracking relation with a cam 18, 20 the bias means includes a spring having a pair of arms extending from an arcuate or coiled portion one of which arms 80 is urged against a reaction surface 30 in the engine and the other 76 is engaged in a notch in the valve stem 46, 56. In a modification the valve guides (100, 102), Fig. 7 (not shown) are continued into the casing (28) to locate the spring portion 80, In a further modification each valve is closed by a hairpin type spring which has a loop located on the valve guide extensions, In a further embodiment the spring portion (80<SP>1</SP>), Fig. 12 (not shown) is engaged under an integral ledge (200) and held in place by an extension on the casing cover.
GB55536/69A 1968-11-14 1969-11-13 Improvements in internal combustion engines Expired GB1282606A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77565968A 1968-11-14 1968-11-14

Publications (1)

Publication Number Publication Date
GB1282606A true GB1282606A (en) 1972-07-19

Family

ID=25105084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55536/69A Expired GB1282606A (en) 1968-11-14 1969-11-13 Improvements in internal combustion engines

Country Status (6)

Country Link
US (1) US3556062A (en)
JP (1) JPS4840604B1 (en)
DE (1) DE1957027A1 (en)
FR (1) FR2023297A1 (en)
GB (1) GB1282606A (en)
ZA (1) ZA697051B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380216A (en) * 1980-09-17 1983-04-19 Tecumseh Products Company Economical engine construction
US5245957A (en) * 1993-02-04 1993-09-21 Bornstein Motor Company, Inc. Spring assist system for internal combustion engine valves
DE102017206151B3 (en) 2017-04-11 2018-10-11 Ford Global Technologies, Llc Internal combustion engine comprising valve trains with valve springs and method for mounting such a valve spring

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA655762A (en) * 1963-01-15 Alfred J. Buchi, Jr. Spring assembly for internal combustion engines with concentric valves
US1368439A (en) * 1917-10-04 1921-02-15 Curtiss Aeroplane & Motor Co Exhaust-valve spring
GB259870A (en) * 1926-06-08 1926-10-21 John Marston Ltd Improvements in or relating to valve springs for internal combustion engines
GB303031A (en) * 1927-12-24 1930-03-24 Gen Motors Res Corp Improvements in hydraulic transmission gear, particularly applicable to valve gear for internal-combustion engines
US1789209A (en) * 1930-04-24 1931-01-13 Dorsey F Asbury Valve-spring connection
DE659049C (en) * 1935-04-06 1938-04-23 Motosacoche Sa Common spring for two valves for internal combustion engines that form an angle with one another
DE703801C (en) * 1939-08-08 1941-03-17 Giovanni Morello Valve spring, especially for internal combustion engines
US2326329A (en) * 1940-06-29 1943-08-10 Joseph O Camp Internal combustion engine
US3358659A (en) * 1965-07-17 1967-12-19 Gen Motors Corp Internal combustion engine valve gear

Also Published As

Publication number Publication date
DE1957027A1 (en) 1970-06-04
JPS4840604B1 (en) 1973-12-01
ZA697051B (en) 1971-05-27
US3556062A (en) 1971-01-19
FR2023297A1 (en) 1970-08-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees