GB1051254A - - Google Patents

Info

Publication number
GB1051254A
GB1051254A GB1051254DA GB1051254A GB 1051254 A GB1051254 A GB 1051254A GB 1051254D A GB1051254D A GB 1051254DA GB 1051254 A GB1051254 A GB 1051254A
Authority
GB
United Kingdom
Prior art keywords
spring
inch
diameter
wire
length
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
Publication date
Publication of GB1051254A publication Critical patent/GB1051254A/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
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0082—Details
    • F01B3/0085—Pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Springs (AREA)

Abstract

1,051,254. Springs. JOSEPH LUCAS (INDUSTRIES) Ltd. July 20, 1964 [Aug. 8, 1963], No. 31375/63. Heading F2S. [Also in Division F1] In a coil spring of the kind in which the overall diameter of the spring varies from end to end the parts of the spring which are of greater overall diameter are formed of wire having a greater cross-sectional area than those used for forming the parts of the spring of smaller diameter so that the rating of the spring is substantially constant throughout its length and the respective distances between the convolutions of the spring remain equal irrespective of changes in load on the spring. As shown the springs 19 loading the plungers 13 in an hydraulic pump or motor 10 each have a free length of 2À6inches with a mean diameter of approximately 0À5 inch and a wire diameter of 0À072 inch for 2 inches of its length, the remainder 0À6 inch having its mean diameter increased uniformly to 0À8 inch and the diameter of its wire uniformly increased to 0À09 inch.
GB1051254D Expired GB1051254A (en)

Publications (1)

Publication Number Publication Date
GB1051254A true GB1051254A (en) 1900-01-01

Family

ID=1756284

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1051254D Expired GB1051254A (en)

Country Status (1)

Country Link
GB (1) GB1051254A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0055177A1 (en) * 1980-12-18 1982-06-30 The Bendix Corporation Hydraulic brake booster
JPS58186180U (en) * 1982-06-08 1983-12-10 株式会社京浜精機精作所 plunger pump
DE10237955A1 (en) * 2002-08-20 2004-03-04 Ims Connector Systems Gmbh Spiral spring has section with coils of large diameter and with large axial spacing and second section in which coils are of smaller diameter and are in contact with each other and which acts as contact pin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0055177A1 (en) * 1980-12-18 1982-06-30 The Bendix Corporation Hydraulic brake booster
JPS58186180U (en) * 1982-06-08 1983-12-10 株式会社京浜精機精作所 plunger pump
DE10237955A1 (en) * 2002-08-20 2004-03-04 Ims Connector Systems Gmbh Spiral spring has section with coils of large diameter and with large axial spacing and second section in which coils are of smaller diameter and are in contact with each other and which acts as contact pin

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