公开(公告)号：WO2020160681A1

公开(公告)日：2020-08-13

申请号：PCT/CA2020/050169

申请日：2020-02-07

Applicant: HYDROSTOR INC.

Inventor： YOUNG, Davin ,  THEXTON, Lucas ,  LEWIS, Cameron

IPC: B65G5/00 ,  F03B13/06 ,  F03D9/13 ,  F03D9/17 ,  F04B41/02 ,  F17B1/16 ,  F17C13/00 ,  F17C5/06 ,  F17C7/00 ,  F28D19/02 ,  F28D20/00

Abstract: A compressed air energy storage system and method of temporarily storing thermal energy via a thermal storage subsystem in a compressed air energy storage system comprising an accumulator disposed underground and having an interior configured to contain compressed air at an accumulator pressure that is at least 20 bar and a three-stage gas compressor/expander subsystem in communication with the accumulator. The thermal storage subsystem comprises a thermal storage liquid, a heat exchanger for each stage of compression and expansion, and a pressurized thermal storage reservoir. In a charging mode, air is compressed by compressor, cooled by a heat exchanger, and stored in the accumulator while thermal energy from the air is stored in the thermal storage reservoir. In a discharging mode, air is withdrawn from the accumulator, warmed by the stored thermal energy at a heat exchanger, and expanded to drive an expander.

公开(公告)号：WO2020160635A1

公开(公告)日：2020-08-13

申请号：PCT/CA2019/050700

申请日：2019-05-22

Applicant: HYDROSTOR INC.

Inventor： LEWIS, Cameron ,  MCGILLIS, Andrew ,  YOUNG, Davin

IPC: F17C7/00 ,  B65G5/00 ,  F03D9/17 ,  F15B1/027 ,  F17B1/16 ,  F17C13/00 ,  F17C5/06 ,  F28D20/00

Abstract: A method of processing a stream of compressed air travelling between a gas compressor/expander subsystem and an underground accumulator in a compressed air energy storage system may include directing a thermal storage liquid through the first liquid flow path in a liquid charging flow direction from a thermal source reservoir toward a thermal storage reservoir whereby at least a portion of the thermal energy in the compressed air is transferred from the compressed air into the thermal storage liquid within the first reversible heat exchanger; including redirecting the compressed air through the first gas flow path in a gas discharging flow direction that is opposite the gas charging flow direction and redirecting the thermal storage liquid through the first liquid flow path in a liquid discharging flow direction whereby at least a portion of the thermal energy in the thermal storage liquid is returned into the compressed air.

公开(公告)号：WO2020160670A1

公开(公告)日：2020-08-13

申请号：PCT/CA2020/050153

申请日：2020-02-06

Applicant: HYDROSTOR INC.

Inventor： YOUNG, Davin ,  BROWN, David ,  LEWIS, Cameron ,  ROSS, Timothy

IPC: B65G5/00 ,  B65D5/00 ,  F03B13/06 ,  F03D9/13 ,  F03D9/17 ,  F17B1/16 ,  F17C13/00 ,  F17C5/06 ,  F17C7/00 ,  F28D19/02 ,  F28D20/00

Abstract: A method of operating a hydrostatically compensated compressed air energy storage system in a first charging mode including conveying the compressed air at a nearly constant first operating pressure which displaces a corresponding volume of compensation liquid from the layer of compensation liquid out of the accumulator, and a second charging mode including conveying additional compressed air into the accumulator while compensation liquid is not displaced from within the accumulator so that the pressure of the layer of compressed air increases to a second operating pressure that is greater than the first operating pressure.

公开(公告)号：WO2019218085A1

公开(公告)日：2019-11-21

申请号：PCT/CA2019/050680

申请日：2019-05-17

Applicant: HYDROSTOR INC.

Inventor： LEWIS, Cameron ,  YOUNG, Davin ,  THEXTON, Lucas ,  BURTNEY, Josh ,  ROSS, Timothy

IPC: F17C7/00 ,  B65G5/00 ,  F03D9/17 ,  F17B1/16

Abstract: A hydrostatically compensated compressed air energy storage system may include an accumulator disposed underground, a gas compressor/expander subsystem in fluid communication with the accumulator interior via an air flow path; a compensation liquid reservoir spaced apart from the accumulator and in fluid communication with the layer of compensation liquid within the accumulator via a compensation liquid flow path; and a first construction shaft extending from the surface of the ground to the accumulator and being sized and configured to i) accommodate the passage of a construction apparatus therethrough when the hydrostatically compensated compressed air energy storage system is being constructed, and ii) to provide at least a portion of one of the air flow path and the compensation liquid flow path when the hydrostatically compensated compressed air energy storage system is in use.

公开(公告)号：WO2018161172A1

公开(公告)日：2018-09-13

申请号：PCT/CA2018/050282

申请日：2018-03-09

Applicant: HYDROSTOR INC.

Inventor： STRADIOTTO, Daniel ,  LEWIS, Cameron ,  YOUNG, Davin ,  MCGILLIS, Andrew

IPC: B65G5/00 ,  B65D88/76 ,  F02C6/16 ,  F17C1/00 ,  F17C13/02 ,  F17C13/06 ,  F17C5/06

Abstract: A thermal storage subsystem may include at least a first storage reservoir disposed at least partially under ground configured to contain a thermal storage liquid at a storage pressure that is greater than atmospheric pressure. A liquid passage may have an inlet connectable to a thermal storage liquid source and configured to convey the thermal storage liquid to the liquid reservoir. A first heat exchanger may be provided in the liquid inlet passage and may be in fluid communication between the first compression stage and the accumulator, whereby thermal energy can be transferred from a compressed gas stream exiting a gas compressor/expander subsystem to the thermal storage liquid.

公开(公告)号：WO2019218084A1

公开(公告)日：2019-11-21

申请号：PCT/CA2019/050679

申请日：2019-05-17

Applicant: HYDROSTOR INC.

Inventor： LEWIS, Cameron ,  YOUNG, Davin ,  THEXTON, Lucas ,  BURTNEY, Josh

IPC: F17C7/00 ,  B65G5/00 ,  F03D9/17 ,  F17B1/16 ,  F17C5/06

Abstract: A method of transitioning a hydrostatically compensated compressed air energy storage system from an operating mode to a dewatered maintenance state may include a) charging an accumulator to a fully charged state where the air water interface is at a charge plane by conveying compressed air at a storage pressure into the layer of compressed air using a gas compressor/expander subsystem thereby displacing a corresponding amount of compensation liquid from the layer of compensation liquid out of the accumulator into the compensation liquid flow path and from the compensation liquid flow path into the compensation liquid reservoir until the accumulator is substantially free of the compensation liquid, b) fluidly sealing the compensation liquid flow path thereby isolating a residual amount of the compensation liquid, and c) depressurizing the accumulator interior to a service pressure that is lower than the storage pressure.

公开(公告)号：WO2016065471A1

公开(公告)日：2016-05-06

申请号：PCT/CA2015/051096

申请日：2015-10-27

Applicant: HYDROSTOR INC

Inventor： LEWIS, Cameron ,  RYAN, Kyle ,  VANWALLEGHEM, Curtis

IPC: F17C5/06 ,  E02B9/08 ,  F01K25/00 ,  F03B13/00 ,  F03G7/00 ,  F17B1/02 ,  H02J3/38

CPC classification number: F17D1/00 ,  H02J15/006 ,  Y02E10/28 ,  Y02E60/15

Abstract: Apparatus for use with fluid-processing plant configured to generate and store pressurized fluid. Fluid-processing plant is spaced apart from body of water. Apparatus includes variable-buoyancy assembly positioned in body of water in such way that buoyancy force urges variable-buoyancy assembly to move toward surface of body of water. Apparatus also includes non-collapsible fluid-line assembly positionally anchored, at least in part, underground in such way that non-collapsible fluid-line assembly extends, at least in part, into body of water. Non-collapsible fluid-line assembly fluidly connectes fluid-processing plant and variable-buoyancy assembly together in such way that non- collapsible fluid-line assembly conveys pressurized fluid between fluid-processing plant and variable-buoyancy assembly. Non-collapsible fluid-line assembly transmits an anchoring force from ground to variable-buoyancy assembly; this is done in such way that anchoring force substantially counteracts, buoyancy force acting on non-collapsible fluid-line assembly. Anchoring force substantially urges variable-buoyancy assembly to remain below surface of body of water.

Abstract translation: 用于配置成产生和储存加压流体的流体处理设备的设备。 流体加工厂与水体隔开。 设备包括位于水体内的可变浮力组件，使得浮力促使可变浮力组件向水体表面移动。 设备还包括至少部分地在地下锚固的不可折叠流体线路组件，使得非可塌陷流体线路组件至少部分地延伸到水体中。 不可折叠流体线路组件将流体处理设备和可变浮力组件流体连接在一起，使得非可收缩流体线路组件在流体处理设备和可变浮力组件之间传送加压流体。 不可折叠流体线组件将锚固力从地面传递到可变浮力组件; 这样做的方式是使锚固力基本上抵消，作用在不可折叠流体线组件上的浮力。 锚固力基本上促使可变浮力组件保持在水体表面以下。

公开(公告)号：WO2015114507A1

公开(公告)日：2015-08-06

申请号：PCT/IB2015/050582

申请日：2015-01-26

Applicant: HYDROSTOR INC

Inventor： VANWALLEGHEM, Curtis ,  LEWIS, Cameron

IPC: F03B17/02 ,  F03B13/06 ,  F15B1/027 ,  H02K7/18 ,  F03D9/02

CPC classification number: F15B1/027 ,  F03D9/17 ,  F03D9/255 ,  F04B41/02 ,  F05B2260/42 ,  F17B1/26 ,  F17C1/007 ,  F17C2201/0147 ,  F17C2201/054 ,  F17C2203/0617 ,  F17C2203/0685 ,  F17C2205/0126 ,  F17C2205/0142 ,  F17C2205/0184 ,  F17C2221/031 ,  F17C2223/0123 ,  F17C2223/035 ,  F17C2223/036 ,  F17C2260/046 ,  F17C2270/0581 ,  H02J15/006 ,  Y02E10/725 ,  Y02E60/15 ,  Y02E60/17

Abstract: An energy-accumulation apparatus includes a variable-buoyancy assembly configured to be selectively buoyant in a body of water. The energy-accumulation apparatus also includes a delivery assembly coupled to the variable-buoyancy assembly. The delivery assembly is configured to deliver the variable-buoyancy assembly within the body of water between a first position to a second position.

Abstract translation: 能量积累装置包括可变浮力组件，其被配置为在水体中选择性地浮力。 能量积累装置还包括联接到可变浮力组件的输送组件。 输送组件构造成将可变浮力组件在第一位置和第二位置之间的水体内输送。

公开(公告)号：WO2020172748A1

公开(公告)日：2020-09-03

申请号：PCT/CA2020/050246

申请日：2020-02-26

Applicant: HYDROSTOR INC.

Inventor： YOUNG, Davin ,  LEWIS, Cameron

IPC: B65G5/00 ,  F03B13/06 ,  F03D9/13 ,  F03D9/17 ,  F17B1/16 ,  F17C13/00 ,  F17C5/06 ,  F17C7/00 ,  F28D19/02 ,  F28D20/00

Abstract: A hydrostatically compensated compressed air energy storage system may include an accumulator disposed underground and a compressor/expander subsystem in fluid communication. A compensation shaft may extend between an upper and a lower end and define a shaft depth. An upper end wall can cover the upper end of the shaft. A compensation liquid reservoir can be offset above the upper end wall by a reservoir elevation that is at least about 15% of the shaft depth. A compensation liquid flow path may extend between the compensation liquid reservoir and the accumulator and can include the compensation shaft and a liquid supply conduit extending between the compensation liquid reservoir and the upper end of the compensation shaft whereby a total hydrostatic pressure at the lower end of the shaft is greater than a hydrostatic pressure at a depth that is equal to the shaft depth.

公开(公告)号：WO2020146938A1

公开(公告)日：2020-07-23

申请号：PCT/CA2020/050032

申请日：2020-01-13

Applicant: HYDROSTOR INC.

Inventor： LEWIS, Cameron ,  MCGILLIS, Andrew

IPC: B65G5/00 ,  F02C6/16 ,  F02B13/06 ,  F03D9/13 ,  F03D9/17 ,  F17B1/16 ,  F17C13/00 ,  F17C5/06 ,  F17C7/00 ,  F28D19/02 ,  F28D20/00

Abstract: A compressed air energy storage system may have an accumulator and a thermal storage subsystem having a cold storage chamber for containing a supply of granular heat transfer, a hot storage chamber and at least a first mixing chamber in the gas flow path and having an interior in which the compressed gas contacts the granular heat transfer particles at a mixing pressure that is greater than the cold storage pressure and the hot storage pressure and a conveying system operable to selectably move the granular heat transfer particles from the cold storage chamber, through the first mixing chamber and into the hot storage chamber, and vice versa.