Reciprocating piston pump

Claim 2

A reciprocating piston pump comprisinG in combination: a. a housing defining a plurality of interconnecting chambers including, 1. a cylinder chamber, 2.an outlet valve chamber, and 3. a pair of inlet valve chambers; b. a piston arranged in said cylinder chamber for reciprocal movement therein and having its outer end adapted to be operatively connected to a power source; c. an outlet valve assembly mounted in said outlet valve chamber; d. an inlet valve assembly mounted in each of said inlet valve chambers both inlet valve assemblies opening and closing at substantially the same time and cooperating with said outlet valve assembly; e. inlet means connected to each of said inlet valve chambers adapted to supply liquid thereto; f. outlet means connected to said outlet valve chamber adapted to receive liquid therefrom; and g. a common central chamber within said housing, a cylinder chamber port connecting said cylinder chamber to said common chamber, an outlet valve chamber port connecting said outlet valve chamber to said common chamber, and a pair of inlet valve chamber ports connecting said inlet valve chambers with said common chamber, the diameters of said cylinder chamber port, said outlet valve chamber port, and said inlet valve chamber ports being substantially the same and one of said inlet valve chambers being substantially coaxially arranged with respect to said cylinder chamber.

Claim 3

a valve guide,

Claim 4

a valve guide,

Claim 5

A reciprocating piston pump comprising in combination: a. a housing defining a plurality of interconnecting chambers including,

Claim 6

A reciprocating piston pump comprising in combination: a. a housing defining a plurality of interconnecting chambers including,

Claim 7

an outlet valve chamber, and

Claim 8

an outlet valve chamber, and

Claim 9

an outlet valve chamber, and

Claim 10

an outlet valve chamber, and

Claim 11

an outlet valve chamber, and

Claim 12

an outlet valve chamber, and

Claim 13

a valve guide,

Claim 14

a valve guide,

Claim 15

a valve guide,

Claim 16

a valve guide,

Claim 17

a valve member movably mounted in said guide, and

Claim 18

a valve member movably mounted in said guide, and

Claim 19

a valve member movably mounted in said guide, and 4.means biasing said valve member in closed engagement with said valve seat; d. an inlet valve assembly mounted in each of said inlet valve chambers both inlet valve assemblies opening and closing at substantially the same time and cooperating with said outlet valve assembly each comprising,

Claim 20

a valve member movably mounted in said guide, and 4.means biasing said valve member in closed engagement with said valve seat; d. an inlet valve assembly mounted in each of said inlet valve chambers both inlet valve assemblies opening and closing at substantially the same time and cooperating with said outlet valve assembly each comprising,

Claim 21

a valve member movably mounted in said guide, and

Claim 22

a valve member movably mounted in said guide, and

Claim 23

a pair of inlet valve chambers; b. a piston arranged in said cylinder chamber for reciprocal movement therein and having its outer end adapted to be operatively connected to a power source; c. an outlet valve assembly mounted in said outlet valve chamber,

Claim 24

a pair of inlet valve chambers; b. a piston arranged in said cylinder chamber for reciprocal movement therein and having its outer end adapted to be operatively connected to a power source; c. an outlet valve assembly mounted in said outlet valve chamber,

Claim 25

a pair of inlet valve chambers; b. a piston arranged in each said cylinder chamber for reciprocal movement therein and having its outer end adapted to be operatively connected to a power source; c. an outlet valve assembly mounted in said outlet valve chamber at the end of each cylinder; d. an inlet valve assembly mounted in each of said inlet valve chambers at the end of each cylinder, both inlet valve assemblies opening and closing at substantially the same time and cooperating with said outlet valve assembly; e. the passage through each of said inlet valve assemblies having a maximum cross-sectional area not substantially larger than the cross-sectional area of the passage in said outlet valve assembly whereby each of said pumps has greater resistance to stress-corrosive fatigue and shock, and said plurality of pumps may be mounted in a more compact side-by-side relationship. f. inlet mans connected to each of said inlet valve chambers adapted to supply liquid thereto; and g. outlet means adapted to receive liquid from said outlet valve chamber; h. one of said inlet valve chambers being substantially coaxially arranged with respect to said piston; II. a motor and means operatively connecting said motor with the end of eAch of said pistons; III. an inlet manifold means connected to each of said inlet means for supplying liquid thereto; and IV. an outlet manifold means connected to each of said outlet means and adapted to receive liquid therefrom.

Claim 26

a pair of inlet valve chambers; b. a piston arranged in each said cylinder chamber for reciprocal movement therein and having its outer end adapted to be operatively connected to a power source; c. an outlet valve assembly mounted in said outlet valve chamber at the end of each cylinder; d. an inlet valve assembly mounted in each of said inlet valve chambers at the end of each cylinder, both inlet valve assemblies opening and closing at substantially the same time and cooperating with said outlet valve assembly; e. the passage through each of said inlet valve assemblies having a maximum cross-sectional area not substantially larger than the cross-sectional area of the passage in said outlet valve assembly whereby each of said pumps has greater resistance to stress-corrosive fatigue and shock, and said plurality of pumps may be mounted in a more compact side-by-side relationship. f. inlet mans connected to each of said inlet valve chambers adapted to supply liquid thereto; and g. outlet means adapted to receive liquid from said outlet valve chamber; h. one of said inlet valve chambers being substantially coaxially arranged with respect to said piston; II. a motor and means operatively connecting said motor with the end of eAch of said pistons; III. an inlet manifold means connected to each of said inlet means for supplying liquid thereto; and IV. an outlet manifold means connected to each of said outlet means and adapted to receive liquid therefrom.

Claim 27

A reciprocating piston pump according to claim 2, wherein the other of said inlet valve chambers is coaxially arranged with respect to said outlet valve chamber, and wherein said latter inlet valve chamber and said outlet valve chamber are substantially perpendicularly arranged with respect to said first inlet valve chamber and said cylinder chamber.

Claim 28

a pair of inlet valve chambers; b. a piston arranged in said cylinder chamber for reciprocal movement therein and having its outer end adapted to be operatively connected to a power source; c. an outlet valve assembly mounted in said outlet valve chamber and comprising,

Claim 29

a pair of inlet valve chambers; b. a piston arranged in said cylinder chamber for reciprocal movement therein and having its outer end adapted to be operatively connected to a power source; c. an outlet valve assembly mounted in said outlet valve chamber and comprising,

Claim 30

a pair of inlet valve chambers; b. a piston arranged in said cylinder chamber for reciprocal movement therein and having its outer end adapted to be operatively connected to a power source; c. an outlet valve assembly mounted in said outlet valve chamber; d. an inlet valve assembly mounted in each of said inlet valve chambers both inlet valve assemblies opening and closing at substantially the same time and cooperating with said outlet valve assembly; e. inlet means connected to each of said inlet valve chambers adapted to supply liquid thereto; f. outlet means connected to said outlet valve chamber adapted to receive liquid therefrom; and g. a common central chamber within said housing, a cylinder chamber port connecting said cylinder chamber to said common chamber, an outlet valve chamber port connecting said outlet valve chamber to said common chamber, and a pair of inlet valve chamber ports connecting said inlet valve chambers with said common chamber, the diameters of said cylinder chamber port, said outlet valve chamber port, and said inlet valve chamber ports being substantially the same and one of said inlet valve chambers being substantially coaxially arranged with respect to said cylinder chamber.

Claim 31

a pair of inlet valve chambers; b. a piston arranged in said cylinder chamber for reciprocal movement therein and having its outer end adapted to be operatively connected to a power source; c. an outlet valve assembly mounted in said outlet valve chamber; d. an inlet valve assembly mounted in each of said inlet valve chambers both inlet valve assemblies opening and closing at substantially the same time and cooperating with said outlet valve assembly; e. inlet means connected to each of said inlet valve chambers adapted to supply liquid thereto; f. outlet means connected to said outlet valve chamber adapted to receive liquid therefrom; and g. a common central chamber within said housing, a cylinder chamber port connecting said cylinder chamber to said common chamber, an outlet valve chamber port connecting said outlet valve chamber to said common chamber, and a pair of inlet valve chamber ports connecting said inlet valve chambers with said common chamber, the diameters of said cylinder chamber port, said outlet valve chamber port, and said inlet valve chamber ports being substantially the same and one of said inlet valve chambers being substantially coaxially arranged with respect to said cylinder chamber.

Claim 32

a valve member movably mounted in said guide, and

Claim 33

a valve member movably mounted in said guide, and

Claim 34

means biasing said valve member in closed engagement with said valve seat; e. inlet means connected to each of said inlet valve chambers adapted to supply liquid thereto; f. outlet means connected to said outlet valve chamber adapted to receive liquid therefrom; and g. a common central chamber within said housing, a cylinder chamber port connecting said cylinder chamber to said common chamber, an outlet valve chamber port connecting said outlet valve chamber to said common chamber, and a pair of inlet valve chamber ports connecting said inlet valve chamber with said common chamber, the diameter of said cylinder chamber port, said outlet valve chamber port, and said inlet valve chamber ports being substantially the same and one of said inlet valve chambers being substantially coaxially arranged with respect to said cylinder chamber.

Claim 35

means biasing said valve member in closed engagement with said valve seat; e. inlet means connected to each of said inlet valve chambers adapted to supply liquid thereto; f. outlet means connected to said outlet valve chamber adapted to receive liquid therefrom; and g. a common central chamber within said housing, a cylinder chamber port connecting said cylinder chamber to said common chamber, an outlet valve chamber port connecting said outlet valve chamber to said common chamber, and a pair of inlet valve chamber ports connecting said inlet valve chamber with said common chamber, the diameter of said cylinder chamber port, said outlet valve chamber port, and said inlet valve chamber ports being substantially the same and one of said inlet valve chambers being substantially coaxially arranged with respect to said cylinder chamber.

Claim 36

A reciprocating piston pump according to claim 2, wherein said cylinder chamber is contoured to define a stuffing box, said stuffing box having a sealing lubricant absorbent material contained therein, and a radial channel provided in said housing to permit a sealing lubricant to be applied to said absorbent material.

Claim 37

means biasing said valve member in closed engagement with said valve seat; d. an inlet valve assembly mounted in each of said inlet valve chambers, both inlet valve assemblies opening and closing at substantially the same time and cooperating with said outlet valve assembly, each comprising,

Claim 38

means biasing said valve member in closed engagement with said valve seat; d. an inlet valve assembly mounted in each of said inlet valve chambers, both inlet valve assemblies opening and closing at substantially the same time and cooperating with said outlet valve assembly, each comprising,

Claim 39

means biasing said valve member in closed engagement with said valve seat; e. the passage through each of said inlet valve assemblies having a maximum cross-sectional area not substantially larger than the cross-sectional area of the passage in said outlet valve assembly whereby each of said pumps has greater resistance to stress-corrosive fatigue and shock, and said plurality of pumps may be mounted in a more compact side by side relationship, f. inlet means connected to each of said inlet valve chambers adapted to supply liquid thereto; and g. outlet means adapted to receive liquid from said outlet valve chamber; b. in each pump one of said inlet valve chambers being substantially coaxially arranged with respect to said piston; II. an inlet manifold means connected to each of said inlet means for supplying liquid thereto, and III. an inlet manifold means connected to each of said inlet means for supplying liquid thereto; an IV. an outlet mainfold connected to each of said outlet means and adapted to receive liquid therefrom.

Claim 40

means biasing said valve member in closed engagement with said valve seat; e. the passage through each of said inlet valve assemblies having a maximum cross-sectional area not substantially larger than the cross-sectional area of the passage in said outlet valve assembly whereby each of said pumps has greater resistance to stress-corrosive fatigue and shock, and said plurality of pumps may be mounted in a more compact side by side relationship, f. inlet means connected to each of said inlet valve chambers adapted to supply liquid thereto; and g. outlet means adapted to receive liquid from said outlet valve chamber; b. in each pump one of said inlet valve chambers being substantially coaxially arranged with respect to said piston; II. an inlet manifold means connected to each of said inlet means for supplying liquid thereto, and III. an inlet manifold means connected to each of said inlet means for supplying liquid thereto; an IV. an outlet mainfold connected to each of said outlet means and adapted to receive liquid therefrom.

Claim 41

A pump assembly comprising: I. a plurality of reciprocating piston pumps mounted side by side, each pump comprising in combination: a. a housing defining a plurality of interconnecting chambers including,

Claim 42

A pump assembly comprising: I. a plurality of reciprocating piston pumps mounted side by side, each pump comprising in combination: a. a housing defining a plurality of interconnecting chambers including,

Claim 43

A pump assembly comprising: I. a plurality of reciprocating piston pumps mounted side by side, each pump comprising in combination: a. a housing defining a plurality of interconnecting chambers including,

Claim 44

A pump assembly comprising: I. a plurality of reciprocating piston pumps mounted side by side, each pump comprising in combination: a. a housing defining a plurality of interconnecting chambers including,

Claim 45

A pump assembly according to claim 6 wherein in each pump the other of said inlet valve chambers is coaxially arranged with respect to said outlet valve chamber, and wherein said latter inlet valve chamber and said outlet valve chamber are substantially perpendicularly arranged with respect to said first inlet valve chamber and said cylinder chamber.

Claim 46

A pump assembly according to claim 6, having in each pump a central common chamber within said housing, a cylinder chamber port connecting said cylinder chamber to said common chamber, an outlet valve chamber port connecting said outlet valve chamber to said common chamber, and a pair of inlet valve chamber ports connecting said inlet valve chambers with said common chamber, the diameters of said cylinder chamber port, said outlet valve chamber port, and said inlet valve chamber ports being substantially the same.

Claim 47

A pump assembly according to claim 6, wherein in each pump said cylinder chamber is contoured to define a stuffing box, said stuffing box having a sealing lubricant absorbent material contained therein, and a radial channel provided in said housing to permit a sealing lubricant to be supplied to said absorbent material.