Fluid machine especially adapted for high pressure applications

Claim 2

A fluid machine comprising a casing having a space formed therein, core means fixedly disposed within said space and spaced at least in part from said casing to form a generally annular chamber therebetween, a working member means disposed in said chamber to surround said core means at least in part and form at least one generally annular working chamber therein, said working member means comprising a plurality of pivotally interconnected parts, spaced fluid inlet and outlet means communicating with different portions of said working chamber, holding means fixedly holding at least one portion of said working member means at a first position, and drive means connected to a second portion of said working member means spaced from said first portion for moving said second portion in a predetermined path for pivotally moving said parts of said working member mEans relative to each other to contract and expand said working member means about said core means to alternately expand and contract said different portions of said working chamber and concomitantly alternately open and close said space fluid inlet and outlet means to move fluid between said inlet and outlet means

Claim 3

In a fluid machine as in claim 1 wherein, said one working chamber is formed between one face of said working member means and said core means.

Claim 4

In a fluid machine as in claim 2 wherein, a second generally annular working chamber is formed between the opposite face of said working member means and the face of said casing space, and said fluid machine further comprises second, spaced inlet and outlet means communicating with different portions of said second working chamber whereby, said movement of said working member means will be concomitantly effective to alternately expand and contract said different portions of said second working chamber and alternately open and close said second inlet and outlet means whereby, the movement of fluid between said second inlet and outlet means may be concomitantly effected.

Claim 5

A fluid machine comprising a casing having a spaced formed therein, core means disposed within said space and spaced at least in part from said casing to form a generally annular chamber therebetween, pivotal working member means having opposed faces and disposed in said chamber to surround said core means at least in part and form at least one generally annular working chamber therein, spaced fluid inlet and outlet means communicating with different portions of said working chamber, said one working chamber being formed between one face of said working member means and said core means, said inlet and outlet means extending at least in part through said core means, and means for pivotally moving said working member means to alternately expand and contract said different portions of said working chamber and concomitantly alternately open and close said spaced fluid inlet and outlet means, whereby the movement of fluid between said inlet and outlet means may be effected.

Claim 6

A fluid machine comprising a casing having a spaced formed therein, core means disposed within said space and spaced at least in part from said casing to form a generally annular chamber therebetween, pivotal working member means having opposed faces and disposed in said chamber to surround said core means at least in part and form at least one generally annular working chamber therein, spaced fluid inlet and outlet means communicating with different portions of said working chamber, said one working chamber being formed between one face of said working member means and said core means, said inlet and outlet means extending at least in part through said core means, and means for pivotally moving said working member means to alternately expand and contract said different portions of said working chamber and concomitantly alternately open and close said spaced fluid inlet and outlet means, whereby the movement of fluid between said inlet and outlet means may be effected.

Claim 7

A fluid machine comprising a casing having a space formed therein, core means disposed within said space and spaced at least in part from said casing to form a generally annular chamber therebetween, pivotal working member means having opposed faces and disposed in said chamber to surround said core means at least in part and form at least one generally annular working chamber therein, spaced fluid inlet and outlet means communicating with different portions of said one working chamber, said one working chamber being formed between one face of said working member means and said core means, said inlet and outlet means extending at least in part through said core means, means for pivotally moving said working means to alternately expand and contract said different portions of said working chamber and concomitantly alternately open and close said spaced fluid inlet and outlet means whereby the movement of fluid between said inlet and outlet means may be effected, a second generally annular working chamber formed between the opposite face of said working member means and the face of said casing space, and second spaced inlet and outlet means communicating with different portions of said second working chamber whereby said movement of said working member means will be concomitantly effective to alternately expand and contract said different portions of said second working chamber and alternately open and close said second inlet and outlet means whereby the movement of fluid between said second inlet and outlet means may be concomitantly effected.

Claim 8

A fluid machine comprising a casing having a space formed therein, core means disposed within said space and spaced at least in part from said casing to form a generally annular chamber therebetween, pivotal working member means having opposed faces and disposed in said chamber to surround said core means at least in part and form at least one generally annular working chamber therein, spaced fluid inlet and outlet means communicating with different portions of said one working chamber, said one working chamber being formed between one face of said working member means and said core means, said inlet and outlet means extending at least in part through said core means, means for pivotally moving said working means to alternately expand and contract said different portions of said working chamber and concomitantly alternately open and close said spaced fluid inlet and outlet means whereby the movement of fluid between said inlet and outlet means may be effected, a second generally annular working chamber formed between the opposite face of said working member means and the face of said casing space, and second spaced inlet and outlet means communicating with different portions of said second working chamber whereby said movement of said working member means will be concomitantly effective to alternately expand and contract said different portions of said second working chamber and alternately open and close said second inlet and outlet means whereby the movement of fluid between said second inlet and outlet means may be concomitantly effected.

Claim 9

In a fluid machine as in claim 5 wherein, said second inlet and outlet means extend at least in part through said casing.

Claim 10

A fluid machine comprising a casing having a space formed therein, core means disposed within said space and spaced at least in part from said casing to form a generally annular chamber therebetween, Pivotal working member means having opposed faces and disposed in said chamber to surround said core means at least in part and form at least one generally annular working chamber therein, said pivotal working member means comprising a plurality of pivotally interconnected links, spaced fluid inlet and outlet means communicating with different portions of said working chamber, and means for pivotally moving said working member means to alternately expand and contract said different portions of said working chamber and concomitantly alternately open and close said spaced fluid inlet and outlet means, whereby the movement of fluid between said inlet and outlet means may be effected.

Claim 11

A fluid machine comprising a casing having a space formed therein, core means disposed within said space and spaced at least in part from said casing to form a generally annular chamber therebetween, Pivotal working member means having opposed faces and disposed in said chamber to surround said core means at least in part and form at least one generally annular working chamber therein, said pivotal working member means comprising a plurality of pivotally interconnected links, spaced fluid inlet and outlet means communicating with different portions of said working chamber, and means for pivotally moving said working member means to alternately expand and contract said different portions of said working chamber and concomitantly alternately open and close said spaced fluid inlet and outlet means, whereby the movement of fluid between said inlet and outlet means may be effected.

Claim 12

In a fluid machine as in claim 7, wherein said one working chamber is formed between one face of said working member means and said core means.

Claim 13

In a fluid machine as in claim 8, wherein a second generally annular working chamber is formed between the opposite face of said working member means and the face of the said casing space, and said fluid machine further comprises second, spaced inlet and outlet means communicating with different portions of said second working chamber whereby said movement of said working member means will be concomitantly effective to alternately expand and contract said different portions of said second working chamber and alternately open and close said second inlet and outlet means so that the movement of fluid between said second inlet and outlet means may be concomitantly effected.

Claim 14

In a fluid machine as in claim 7 wherein, said means for pivotally moving said pivotal working member means comprise means pivotally connected to a generally central portion thereof to pivotally interconnect two of said links and operative to move said generally central portion in a generally circular path.

Claim 15

In a fluid machine as in claim 8 wherein, said means for pivotally moving said pivotal working member means comprise means pivotally connected to a generally central portion thereof to pivotally interconnect two of said links and operative to move said generally central portion in a generally circular path.

Claim 16

In a fluid machine as in claim 9 wherein, said means for pivotally moving said pivotal working member means comprise means pivotally connected to a generally central portion thereof to pivotally interconnect two of said links and operative to move said generally central portion in a generally circular path.

Claim 17

In a fluid machine as in claim 10 further comprising, means pivotally connecting respective extremities of two of said links other than said two of said links to said housing at spaced points on the latter.

Claim 18

In a fluid machine as in claim II further comprising, means pivotally connecting respective extremities of two of said links other than said two of said links to said housing at spaced points on the latter.

Claim 19

In a fluid machine as in claim 12 further comprising, means pivotally connecting respective extremities of two of said links other than said two of said links to said housing at spaced points on the latter.

Claim 20

In a fluid machine as in claim 15 further comprising, sealing means disposed in said generally annular chamber for sealing contact therewith by said pivotally interconnected links during the pivotal movement of the latter to prevent the backflow of fluid from said outlet means to said inlet means.

Claim 21

In a fluid machine as in claim 16 wherein, said sealing means comprise flexible band means disposed within each of said one generally annular working chamber and said second generally annular working chamber within the respective paths of movement of said pivotally interconnected links within said working chambers.

Claim 22

In a fluid machine as in claim 13 wherein, said plurality of pivotally interconnected links is constituted by first, second, third and fourth links, respectively, said means for pivotally moving said pivotal working member means comprise a drive pin which extends through first extremitiEs of said second and third links to pivotally interconnect the same, said means pivotally connecting two of said links to said housing at spaced points on the latter comprise pin means pivotally connecting first extremities of said first and fourth links to said housing, and the respective second extremities of said first and second links, and said third and fourth links, comprise means pivotally interconnecting the second extremities of said first and second links, and the second extremities of said third and fourth links.

Claim 23

In a fluid machine as in claim 15 wherein, said plurality of pivotally interconnected links is constituted by first, second, third and fourth links, respectively, said means for pivotally moving said pivotal working member means comprise a drive pin which extends through first extremities of said second and third links to pivotally interconnect the same, said means pivotally connecting two of said links to said housing at spaced points on the latter comprise pin means pivotally connecting first extremities of said first and fourth links to said housing, and the respective second extremities of said first and second links, and said third and fourth links comprise means pivotally interconnecting the second extremities of said first and second links, and the second extremities of said third and fourth links.